23031110320121 has 16 divisors (see below), whose sum is σ = 24915399115200. Its totient is φ = 21218465636928.

The previous prime is 23031110320109. The next prime is 23031110320189. The reversal of 23031110320121 is 12102301113032.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23031110320121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23031110320093 and 23031110320102.

It is not an unprimeable number, because it can be changed into a prime (23031110320921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61362806 + ... + 61736991.

It is an arithmetic number, because the mean of its divisors is an integer number (1557212444700).

Almost surely, 2^{23031110320121} is an apocalyptic number.

It is an amenable number.

23031110320121 is a deficient number, since it is larger than the sum of its proper divisors (1884288795079).

23031110320121 is a wasteful number, since it uses less digits than its factorization.

23031110320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123100088.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23031110320121 its reverse (12102301113032), we get a palindrome (35133411433153).

The spelling of 23031110320121 in words is "twenty-three trillion, thirty-one billion, one hundred ten million, three hundred twenty thousand, one hundred twenty-one".