23312551235121 has 32 divisors (see below), whose sum is σ = 34738156675200. Its totient is φ = 15451389757440.

The previous prime is 23312551235089. The next prime is 23312551235153. The reversal of 23312551235121 is 12153215521332.

23312551235121 is a `hidden beast` number, since 2 + 3 + 3 + 12 + 5 + 5 + 123 + 512 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (23312551235089) and next prime (23312551235153).

It is not a de Polignac number, because 23312551235121 - 2⁵ = 23312551235089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23312551235221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3090105 + ... + 7494921.

It is an arithmetic number, because the mean of its divisors is an integer number (1085567396100).

Almost surely, 2^{23312551235121} is an apocalyptic number.

It is an amenable number.

23312551235121 is a deficient number, since it is larger than the sum of its proper divisors (11425605440079).

23312551235121 is a wasteful number, since it uses less digits than its factorization.

23312551235121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405966 (or 4405960 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

Adding to 23312551235121 its reverse (12153215521332), we get a palindrome (35465766756453).

The spelling of 23312551235121 in words is "twenty-three trillion, three hundred twelve billion, five hundred fifty-one million, two hundred thirty-five thousand, one hundred twenty-one".