23520864 has 48 divisors (see below), whose sum is σ = 61992000. Its totient is φ = 7808640.

The previous prime is 23520859. The next prime is 23520883. The reversal of 23520864 is 46802532.

It is a tau number, because it is divible by the number of its divisors (48).

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, 46887 + ... + 47385.

It is an arithmetic number, because the mean of its divisors is an integer number (1291500).

Almost surely, 2^23520864 is an apocalyptic number.

23520864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23520864 is an abundant number, since it is smaller than the sum of its proper divisors (38471136).

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

23520864 is a wasteful number, since it uses less digits than its factorization.

23520864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 23520864 is about 4849.8313372735. The cubic root of 23520864 is about 286.5174585574.

The spelling of 23520864 in words is "twenty-three million, five hundred twenty thousand, eight hundred sixty-four".