23204864 has 88 divisors (see below), whose sum is σ = 51879168. Its totient is φ = 10321920.

The previous prime is 23204849. The next prime is 23204873. The reversal of 23204864 is 46840232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539627 + ... + 539669.

It is an arithmetic number, because the mean of its divisors is an integer number (589536).

Almost surely, 2^23204864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23204864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25939584).

23204864 is an abundant number, since it is smaller than the sum of its proper divisors (28674304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23204864 is a wasteful number, since it uses less digits than its factorization.

23204864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 23204864 is about 4817.1427215726. The cubic root of 23204864 is about 285.2285598572.

The spelling of 23204864 in words is "twenty-three million, two hundred four thousand, eight hundred sixty-four".