23666672 has 20 divisors (see below), whose sum is σ = 46090800. Its totient is φ = 11772288.

The previous prime is 23666627. The next prime is 23666677. The reversal of 23666672 is 27666632.

It is a super-2 number, since 2×23666672² = 1120222727111168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23666677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533 + ... + 6900.

It is an arithmetic number, because the mean of its divisors is an integer number (2304540).

Almost surely, 2^23666672 is an apocalyptic number.

It is an amenable number.

23666672 is a deficient number, since it is larger than the sum of its proper divisors (22424128).

23666672 is a wasteful number, since it uses less digits than its factorization.

23666672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7640 (or 7634 counting only the distinct ones).

The product of its digits is 108864, while the sum is 38.

The square root of 23666672 is about 4864.8403879264. The cubic root of 23666672 is about 287.1082887262.

The spelling of 23666672 in words is "twenty-three million, six hundred sixty-six thousand, six hundred seventy-two".