23981069680 has 20 divisors (see below), whose sum is σ = 55755987192. Its totient is φ = 9592427840.

The previous prime is 23981069677. The next prime is 23981069687. The reversal of 23981069680 is 8696018932.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23981069687) 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, 149881606 + ... + 149881765.

Almost surely, 2^23981069680 is an apocalyptic number.

23981069680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23981069680 is an abundant number, since it is smaller than the sum of its proper divisors (31774917512).

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

23981069680 is a wasteful number, since it uses less digits than its factorization.

23981069680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299763384 (or 299763378 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 23981069680 in words is "twenty-three billion, nine hundred eighty-one million, sixty-nine thousand, six hundred eighty".