23008564 has 6 divisors (see below), whose sum is σ = 40264994. Its totient is φ = 11504280.

The previous prime is 23008553. The next prime is 23008567. The reversal of 23008564 is 46580032.

It can be written as a sum of positive squares in only one way, i.e., 22184100 + 824464 = 4710^2 + 908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23008567) 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 as a sum of consecutive naturals, namely, 2876067 + ... + 2876074.

Almost surely, 2^23008564 is an apocalyptic number.

It is an amenable number.

23008564 is a deficient number, since it is larger than the sum of its proper divisors (17256430).

23008564 is a wasteful number, since it uses less digits than its factorization.

23008564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752145 (or 5752143 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 23008564 is about 4796.7242989357. The cubic root of 23008564 is about 284.4219905281.

Adding to 23008564 its reverse (46580032), we get a palindrome (69588596).

The spelling of 23008564 in words is "twenty-three million, eight thousand, five hundred sixty-four".