23623431 has 16 divisors (see below), whose sum is σ = 34026720. Its totient is φ = 14492160.

The previous prime is 23623417. The next prime is 23623447. The reversal of 23623431 is 13432632.

It is not a de Polignac number, because 23623431 - 2⁵ = 23623399 is a prime.

It is a super-2 number, since 2×23623431² = 1116132984423522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23623451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15211 + ... + 16691.

It is an arithmetic number, because the mean of its divisors is an integer number (2126670).

Almost surely, 2^23623431 is an apocalyptic number.

23623431 is a deficient number, since it is larger than the sum of its proper divisors (10403289).

23623431 is a wasteful number, since it uses less digits than its factorization.

23623431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906.

The product of its digits is 2592, while the sum is 24.

The square root of 23623431 is about 4860.3941198220. The cubic root of 23623431 is about 286.9333251291.

The spelling of 23623431 in words is "twenty-three million, six hundred twenty-three thousand, four hundred thirty-one".