23625231 has 16 divisors (see below), whose sum is σ = 36113664. Its totient is φ = 13457664.

The previous prime is 23625229. The next prime is 23625233. The reversal of 23625231 is 13252632.

It is an interprime number because it is at equal distance from previous prime (23625229) and next prime (23625233).

It is not a de Polignac number, because 23625231 - 2¹ = 23625229 is a prime.

It is a super-2 number, since 2×23625231² = 1116303079606722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23625233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5820 + ... + 9006.

It is an arithmetic number, because the mean of its divisors is an integer number (2257104).

Almost surely, 2^23625231 is an apocalyptic number.

23625231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23625231 is a deficient number, since it is larger than the sum of its proper divisors (12488433).

23625231 is a wasteful number, since it uses less digits than its factorization.

23625231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550.

The product of its digits is 2160, while the sum is 24.

The square root of 23625231 is about 4860.5792864637. The cubic root of 23625231 is about 286.9406126236.

Adding to 23625231 its reverse (13252632), we get a palindrome (36877863).

The spelling of 23625231 in words is "twenty-three million, six hundred twenty-five thousand, two hundred thirty-one".