23000564 has 24 divisors (see below), whose sum is σ = 43011360. Its totient is φ = 10730016.

The previous prime is 23000563. The next prime is 23000573. The reversal of 23000564 is 46500032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2834 + ... + 7350.

It is an arithmetic number, because the mean of its divisors is an integer number (1792140).

Almost surely, 2^23000564 is an apocalyptic number.

It is an amenable number.

23000564 is a deficient number, since it is larger than the sum of its proper divisors (20010796).

23000564 is a wasteful number, since it uses less digits than its factorization.

23000564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607 (or 4605 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23000564 is about 4795.8903240170. The cubic root of 23000564 is about 284.3890225183.

Adding to 23000564 its reverse (46500032), we get a palindrome (69500596).

The spelling of 23000564 in words is "twenty-three million, five hundred sixty-four", and thus it is an aban number.