Properties of the Number 23123

Twenty-Three Thousand One Hundred Twenty-Three

Basics

Value: 23122 → 23123 → 23124

Parity: odd

Prime: No

Previous Prime: 23117

Next Prime: 23131

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 19 × 1217

Divisors: 1, 19, 1217, 23123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101001010011

Octal: 55123

Duodecimal: 1146B

Hexadecimal: 5a53

Square: 534673129

Square Root: 152.06248715577422

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of partitions of n where the difference between consecutive parts is at most 7. A238867

a(n) is the smallest number not already in the sequence, such that the concatenation of all a(n) displays the periodic digit string 1, 2, 3 (and repeat). A165301

Number of composites removed in each step of the Sieve of Eratosthenes for 10⁷. A227155

Concatenations x||1||x for numbers x. A392225

a(n) = 20·n² + 3. A167573

a(1) = 1; a(2) = 2; a(3) = 3; a(n) is concatenation of a(n-3), a(n-2) and a(n-1). A65841

a(n) = 361·n² + 19. A158592

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 16. A31694

Concatenation of n and a list of the divisors of n. A137464

Concatenate the terms of A027750 (omitting spaces and commas), chop into blocks of length 5, then omit any leading zeros. A362446