23947872680 has 32 divisors (see below), whose sum is σ = 53891411400. Its totient is φ = 9577602816.

The previous prime is 23947872679. The next prime is 23947872727. The reversal of 23947872680 is 8627874932.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8324372644 + 15623500036 = 91238^2 + 124994^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221126 + ... + 311114.

Almost surely, 2^23947872680 is an apocalyptic number.

23947872680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23947872680 is an abundant number, since it is smaller than the sum of its proper divisors (29943538720).

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

23947872680 is a wasteful number, since it uses less digits than its factorization.

23947872680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96653 (or 96649 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 23947872680 in words is "twenty-three billion, nine hundred forty-seven million, eight hundred seventy-two thousand, six hundred eighty".