23664342648 has 64 divisors (see below), whose sum is σ = 60076368000. Its totient is φ = 7766174592.

The previous prime is 23664342631. The next prime is 23664342679. The reversal of 23664342648 is 84624346632.

It is a super-2 number, since 2×23664342648² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23664342597 and 23664342606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4675143 + ... + 4680201.

It is an arithmetic number, because the mean of its divisors is an integer number (938693250).

Almost surely, 2^23664342648 is an apocalyptic number.

It is an amenable number.

23664342648 is an abundant number, since it is smaller than the sum of its proper divisors (36412025352).

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

23664342648 is a wasteful number, since it uses less digits than its factorization.

23664342648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044 (or 8040 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 48.

The spelling of 23664342648 in words is "twenty-three billion, six hundred sixty-four million, three hundred forty-two thousand, six hundred forty-eight".