23465631 has 16 divisors (see below), whose sum is σ = 36249344. Its totient is φ = 13224384.

The previous prime is 23465623. The next prime is 23465639. The reversal of 23465631 is 13656432.

It is an interprime number because it is at equal distance from previous prime (23465623) and next prime (23465639).

It is not a de Polignac number, because 23465631 - 2³ = 23465623 is a prime.

It is a super-2 number, since 2×23465631² = 1101271676456322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23465639) 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, 6121 + ... + 9186.

It is an arithmetic number, because the mean of its divisors is an integer number (2265584).

Almost surely, 2^23465631 is an apocalyptic number.

23465631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23465631 is a deficient number, since it is larger than the sum of its proper divisors (12783713).

23465631 is a wasteful number, since it uses less digits than its factorization.

23465631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15390.

The product of its digits is 12960, while the sum is 30.

The square root of 23465631 is about 4844.1336686760. The cubic root of 23465631 is about 286.2930107056.

The spelling of 23465631 in words is "twenty-three million, four hundred sixty-five thousand, six hundred thirty-one".