23022120231 has 24 divisors (see below), whose sum is σ = 36961765776. Its totient is φ = 13689536640.

The previous prime is 23022120229. The next prime is 23022120281. The reversal of 23022120231 is 13202122032.

It is not a de Polignac number, because 23022120231 - 2¹ = 23022120229 is a prime.

It is a super-2 number, since 2×23022120231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022120211) 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 23 ways as a sum of consecutive naturals, for example, 2188590 + ... + 2199083.

It is an arithmetic number, because the mean of its divisors is an integer number (1540073574).

Almost surely, 2^23022120231 is an apocalyptic number.

23022120231 is a deficient number, since it is larger than the sum of its proper divisors (13939645545).

23022120231 is a wasteful number, since it uses less digits than its factorization.

23022120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387743 (or 4387740 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23022120231 its reverse (13202122032), we get a palindrome (36224242263).

The spelling of 23022120231 in words is "twenty-three billion, twenty-two million, one hundred twenty thousand, two hundred thirty-one".