23002664 has 8 divisors (see below), whose sum is σ = 43130010. Its totient is φ = 11501328.

The previous prime is 23002663. The next prime is 23002669. The reversal of 23002664 is 46620032.

It can be written as a sum of positive squares in only one way, i.e., 22944100 + 58564 = 4790^2 + 242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23002663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1437659 + ... + 1437674.

Almost surely, 2^23002664 is an apocalyptic number.

It is an amenable number.

23002664 is a deficient number, since it is larger than the sum of its proper divisors (20127346).

23002664 is a wasteful number, since it uses less digits than its factorization.

23002664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875339 (or 2875335 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23002664 is about 4796.1092564703. The cubic root of 23002664 is about 284.3976773607.

Adding to 23002664 its reverse (46620032), we get a palindrome (69622696).

The spelling of 23002664 in words is "twenty-three million, two thousand, six hundred sixty-four".