23626 has 4 divisors (see below), whose sum is σ = 35442. Its totient is φ = 11812.

The previous prime is 23623. The next prime is 23627. The reversal of 23626 is 62632.

23626 = T₁₂₄ + T₁₂₅ + T₁₂₆.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21025 + 2601 = 145^2 + 51^2 .

It is not an unprimeable number, because it can be changed into a prime (23623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905 + ... + 5908.

2²³⁶²⁶ is an apocalyptic number.

23626 is the 126-th centered triangular number.

23626 is a deficient number, since it is larger than the sum of its proper divisors (11816).

23626 is a wasteful number, since it uses less digits than its factorization.

23626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11815.

The product of its digits is 432, while the sum is 19.

The square root of 23626 is about 153.7075144552. The cubic root of 23626 is about 28.6943725890.

It can be divided in two parts, 236 and 26, that added together give a palindrome (262).

The spelling of 23626 in words is "twenty-three thousand, six hundred twenty-six".