23536564 has 24 divisors (see below), whose sum is σ = 43167488. Its totient is φ = 11214720.

The previous prime is 23536561. The next prime is 23536607. The reversal of 23536564 is 46563532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23536561) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6892 + ... + 9724.

Almost surely, 2^23536564 is an apocalyptic number.

It is an amenable number.

23536564 is a deficient number, since it is larger than the sum of its proper divisors (19630924).

23536564 is a wasteful number, since it uses less digits than its factorization.

23536564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935 (or 2933 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 23536564 is about 4851.4496802502. The cubic root of 23536564 is about 286.5811937955.

The spelling of 23536564 in words is "twenty-three million, five hundred thirty-six thousand, five hundred sixty-four".