23325865121 has 16 divisors (see below), whose sum is σ = 26761037184. Its totient is φ = 20140648704.

The previous prime is 23325865049. The next prime is 23325865163. The reversal of 23325865121 is 12156852332.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23325865121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23325865021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 287741 + ... + 359786.

It is an arithmetic number, because the mean of its divisors is an integer number (1672564824).

Almost surely, 2^23325865121 is an apocalyptic number.

It is an amenable number.

23325865121 is a deficient number, since it is larger than the sum of its proper divisors (3435172063).

23325865121 is a wasteful number, since it uses less digits than its factorization.

23325865121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647720.

The product of its digits is 86400, while the sum is 38.

The spelling of 23325865121 in words is "twenty-three billion, three hundred twenty-five million, eight hundred sixty-five thousand, one hundred twenty-one".