23506564 has 6 divisors (see below), whose sum is σ = 41136494. Its totient is φ = 11753280.

The previous prime is 23506547. The next prime is 23506583. The reversal of 23506564 is 46560532.

It can be written as a sum of positive squares in only one way, i.e., 17156164 + 6350400 = 4142^2 + 2520^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2938317 + ... + 2938324.

Almost surely, 2^23506564 is an apocalyptic number.

It is an amenable number.

23506564 is a deficient number, since it is larger than the sum of its proper divisors (17629930).

23506564 is a wasteful number, since it uses less digits than its factorization.

23506564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876645 (or 5876643 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 23506564 is about 4848.3568350525. The cubic root of 23506564 is about 286.4593820306.

The spelling of 23506564 in words is "twenty-three million, five hundred six thousand, five hundred sixty-four".