23565004 has 12 divisors (see below), whose sum is σ = 42353584. Its totient is φ = 11463984.

The previous prime is 23564987. The next prime is 23565049. The reversal of 23565004 is 40056532.

It is a self number, because there is not a number n which added to its sum of digits gives 23565004.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 79464 + ... + 79759.

Almost surely, 2^23565004 is an apocalyptic number.

It is an amenable number.

23565004 is a deficient number, since it is larger than the sum of its proper divisors (18788580).

23565004 is a wasteful number, since it uses less digits than its factorization.

23565004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159264 (or 159262 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 23565004 is about 4854.3798780071. The cubic root of 23565004 is about 286.6965758109.

The spelling of 23565004 in words is "twenty-three million, five hundred sixty-five thousand, four".