23233321220131 has 32 divisors (see below), whose sum is σ = 25996571048448. Its totient is φ = 20580987651840.

The previous prime is 23233321220113. The next prime is 23233321220147. The reversal of 23233321220131 is 13102212333232.

It is a happy number.

It is not a de Polignac number, because 23233321220131 - 2²⁵ = 23233287665699 is a prime.

It is a super-2 number, since 2×23233321220131² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23233321220131.

It is not an unprimeable number, because it can be changed into a prime (23233321220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348307975 + ... + 348374671.

It is an arithmetic number, because the mean of its divisors is an integer number (812392845264).

Almost surely, 2^{23233321220131} is an apocalyptic number.

23233321220131 is a deficient number, since it is larger than the sum of its proper divisors (2763249828317).

23233321220131 is a wasteful number, since it uses less digits than its factorization.

23233321220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68491.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 23233321220131 its reverse (13102212333232), we get a palindrome (36335533553363).

The spelling of 23233321220131 in words is "twenty-three trillion, two hundred thirty-three billion, three hundred twenty-one million, two hundred twenty thousand, one hundred thirty-one".