23660564 has 12 divisors (see below), whose sum is σ = 42741888. Its totient is φ = 11448600.

The previous prime is 23660557. The next prime is 23660573. The reversal of 23660564 is 46506632.

It is a self number, because there is not a number n which added to its sum of digits gives 23660564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95282 + ... + 95529.

It is an arithmetic number, because the mean of its divisors is an integer number (3561824).

Almost surely, 2^23660564 is an apocalyptic number.

It is an amenable number.

23660564 is a deficient number, since it is larger than the sum of its proper divisors (19081324).

23660564 is a wasteful number, since it uses less digits than its factorization.

23660564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190846 (or 190844 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 23660564 is about 4864.2125775916. The cubic root of 23660564 is about 287.0835872062.

The spelling of 23660564 in words is "twenty-three million, six hundred sixty thousand, five hundred sixty-four".