23507163648 has 60 divisors (see below), whose sum is σ = 67843279218. Its totient is φ = 7835719680.

The previous prime is 23507163623. The next prime is 23507163683. The reversal of 23507163648 is 84636170532.

23507163648 is a `hidden beast` number, since 2 + 3 + 5 + 0 + 7 + 1 + 636 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23284318464 + 222845184 = 152592^2 + 14928^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2546083 + ... + 2555298.

Almost surely, 2^23507163648 is an apocalyptic number.

It is an amenable number.

23507163648 is an abundant number, since it is smaller than the sum of its proper divisors (44336115570).

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

23507163648 is an equidigital number, since it uses as much as digits as its factorization.

23507163648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101405 (or 5101386 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 23507163648 in words is "twenty-three billion, five hundred seven million, one hundred sixty-three thousand, six hundred forty-eight".