23960887947921 has 16 divisors (see below), whose sum is σ = 32344425316800. Its totient is φ = 15776055829248.

The previous prime is 23960887947917. The next prime is 23960887947943. The reversal of 23960887947921 is 12974978806932.

It is not a de Polignac number, because 23960887947921 - 2² = 23960887947917 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23960887957921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52006476 + ... + 52465181.

It is an arithmetic number, because the mean of its divisors is an integer number (2021526582300).

Almost surely, 2^{23960887947921} is an apocalyptic number.

It is an amenable number.

23960887947921 is a deficient number, since it is larger than the sum of its proper divisors (8383537368879).

23960887947921 is a wasteful number, since it uses less digits than its factorization.

23960887947921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104472608.

The product of its (nonzero) digits is 658409472, while the sum is 75.

The spelling of 23960887947921 in words is "twenty-three trillion, nine hundred sixty billion, eight hundred eighty-seven million, nine hundred forty-seven thousand, nine hundred twenty-one".