23669964 has 18 divisors (see below), whose sum is σ = 59832500. Its totient is φ = 7889976.

The previous prime is 23669963. The next prime is 23669977. The reversal of 23669964 is 46996632.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×23669964² = 1120534391522592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (23669963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328714 + ... + 328785.

Almost surely, 2^23669964 is an apocalyptic number.

It is an amenable number.

23669964 is an abundant number, since it is smaller than the sum of its proper divisors (36162536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23669964 is a wasteful number, since it uses less digits than its factorization.

23669964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657509 (or 657504 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 23669964 is about 4865.1787223082. The cubic root of 23669964 is about 287.1216002255.

The spelling of 23669964 in words is "twenty-three million, six hundred sixty-nine thousand, nine hundred sixty-four".