23026664 has 8 divisors (see below), whose sum is σ = 43175010. Its totient is φ = 11513328.

The previous prime is 23026631. The next prime is 23026699. The reversal of 23026664 is 46662032.

It can be written as a sum of positive squares in only one way, i.e., 16564900 + 6461764 = 4070^2 + 2542^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439159 + ... + 1439174.

Almost surely, 2^23026664 is an apocalyptic number.

It is an amenable number.

23026664 is a deficient number, since it is larger than the sum of its proper divisors (20148346).

23026664 is a wasteful number, since it uses less digits than its factorization.

23026664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878339 (or 2878335 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 23026664 is about 4798.6106322560. The cubic root of 23026664 is about 284.4965524563.

Adding to 23026664 its reverse (46662032), we get a palindrome (69688696).

The spelling of 23026664 in words is "twenty-three million, twenty-six thousand, six hundred sixty-four".