23663183172 has 12 divisors (see below), whose sum is σ = 55214094096. Its totient is φ = 7887727720.

The previous prime is 23663183171. The next prime is 23663183191. The reversal of 23663183172 is 27138136632.

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

It is not an unprimeable number, because it can be changed into a prime (23663183171) 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, 985965954 + ... + 985965977.

It is an arithmetic number, because the mean of its divisors is an integer number (4601174508).

Almost surely, 2^23663183172 is an apocalyptic number.

It is an amenable number.

23663183172 is an abundant number, since it is smaller than the sum of its proper divisors (31550910924).

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

23663183172 is a wasteful number, since it uses less digits than its factorization.

23663183172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971931938 (or 1971931936 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The spelling of 23663183172 in words is "twenty-three billion, six hundred sixty-three million, one hundred eighty-three thousand, one hundred seventy-two".