23907971604 has 24 divisors (see below), whose sum is σ = 60856655328. Its totient is φ = 7244839840.

The previous prime is 23907971597. The next prime is 23907971617. The reversal of 23907971604 is 40617970932.

It is a happy number.

It is a super-2 number, since 2×23907971604² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90560367 + ... + 90560630.

It is an arithmetic number, because the mean of its divisors is an integer number (2535693972).

Almost surely, 2^23907971604 is an apocalyptic number.

It is an amenable number.

23907971604 is an abundant number, since it is smaller than the sum of its proper divisors (36948683724).

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

23907971604 is a wasteful number, since it uses less digits than its factorization.

23907971604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181121015 (or 181121013 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 23907971604 in words is "twenty-three billion, nine hundred seven million, nine hundred seventy-one thousand, six hundred four".