23922564 has 24 divisors (see below), whose sum is σ = 57744960. Its totient is φ = 7699104.

The previous prime is 23922533. The next prime is 23922581. The reversal of 23922564 is 46522932.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34024 + ... + 34719.

It is an arithmetic number, because the mean of its divisors is an integer number (2406040).

Almost surely, 2^23922564 is an apocalyptic number.

It is an amenable number.

23922564 is an abundant number, since it is smaller than the sum of its proper divisors (33822396).

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

23922564 is a wasteful number, since it uses less digits than its factorization.

23922564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68779 (or 68777 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 23922564 is about 4891.0698216239. The cubic root of 23922564 is about 288.1393519295.

The spelling of 23922564 in words is "twenty-three million, nine hundred twenty-two thousand, five hundred sixty-four".