23643960 has 32 divisors (see below), whose sum is σ = 70932240. Its totient is φ = 6305024.

The previous prime is 23643929. The next prime is 23643973. The reversal of 23643960 is 6934632.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98397 + ... + 98636.

Almost surely, 2^23643960 is an apocalyptic number.

23643960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23643960 is an abundant number, since it is smaller than the sum of its proper divisors (47288280).

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

23643960 is a wasteful number, since it uses less digits than its factorization.

23643960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197047 (or 197043 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 23643960 is about 4862.5055269891. The cubic root of 23643960 is about 287.0164170499.

The spelling of 23643960 in words is "twenty-three million, six hundred forty-three thousand, nine hundred sixty".