23534564 has 6 divisors (see below), whose sum is σ = 41185494. Its totient is φ = 11767280.

The previous prime is 23534561. The next prime is 23534587. The reversal of 23534564 is 46543532.

It can be written as a sum of positive squares in only one way, i.e., 15366400 + 8168164 = 3920^2 + 2858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23534564.

It is not an unprimeable number, because it can be changed into a prime (23534561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2941817 + ... + 2941824.

It is an arithmetic number, because the mean of its divisors is an integer number (6864249).

Almost surely, 2^23534564 is an apocalyptic number.

It is an amenable number.

23534564 is a deficient number, since it is larger than the sum of its proper divisors (17650930).

23534564 is a wasteful number, since it uses less digits than its factorization.

23534564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883645 (or 5883643 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 23534564 is about 4851.2435519153. The cubic root of 23534564 is about 286.5730762325.

The spelling of 23534564 in words is "twenty-three million, five hundred thirty-four thousand, five hundred sixty-four".