23013332121 has 32 divisors (see below), whose sum is σ = 33338511360. Its totient is φ = 14036443200.

The previous prime is 23013332101. The next prime is 23013332129. The reversal of 23013332121 is 12123331032.

It is not a de Polignac number, because 23013332121 - 2²² = 23009137817 is a prime.

It is a super-2 number, since 2×23013332121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23013332129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4958520 + ... + 4963158.

It is an arithmetic number, because the mean of its divisors is an integer number (1041828480).

Almost surely, 2^23013332121 is an apocalyptic number.

It is an amenable number.

23013332121 is a deficient number, since it is larger than the sum of its proper divisors (10325179239).

23013332121 is a wasteful number, since it uses less digits than its factorization.

23013332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23013332121 its reverse (12123331032), we get a palindrome (35136663153).

The spelling of 23013332121 in words is "twenty-three billion, thirteen million, three hundred thirty-two thousand, one hundred twenty-one".