23643635052 has 12 divisors (see below), whose sum is σ = 55168481816. Its totient is φ = 7881211680.

The previous prime is 23643635027. The next prime is 23643635063. The reversal of 23643635052 is 25053634632.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23643635052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985151449 + ... + 985151472.

Almost surely, 2^23643635052 is an apocalyptic number.

It is an amenable number.

23643635052 is an abundant number, since it is smaller than the sum of its proper divisors (31524846764).

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

23643635052 is a wasteful number, since it uses less digits than its factorization.

23643635052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970302928 (or 1970302926 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 39.

The spelling of 23643635052 in words is "twenty-three billion, six hundred forty-three million, six hundred thirty-five thousand, fifty-two".