23310021121 has 16 divisors (see below), whose sum is σ = 25062134400. Its totient is φ = 21600564480.

The previous prime is 23310021113. The next prime is 23310021131. The reversal of 23310021121 is 12112001332.

It is not a de Polignac number, because 23310021121 - 2³ = 23310021113 is a prime.

It is a super-2 number, since 2×23310021121² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23310021095 and 23310021104.

It is not an unprimeable number, because it can be changed into a prime (23310021101) 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, 3084055 + ... + 3091603.

It is an arithmetic number, because the mean of its divisors is an integer number (1566383400).

Almost surely, 2^23310021121 is an apocalyptic number.

It is an amenable number.

23310021121 is a deficient number, since it is larger than the sum of its proper divisors (1752113279).

23310021121 is a wasteful number, since it uses less digits than its factorization.

23310021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10344.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23310021121 its reverse (12112001332), we get a palindrome (35422022453).

The spelling of 23310021121 in words is "twenty-three billion, three hundred ten million, twenty-one thousand, one hundred twenty-one".