123120113022231 has 32 divisors (see below), whose sum is σ = 187619443462080. Its totient is φ = 71144699756544.

The previous prime is 123120113022223. The next prime is 123120113022239. The reversal of 123120113022231 is 132220311021321.

It is an interprime number because it is at equal distance from previous prime (123120113022223) and next prime (123120113022239).

It is not a de Polignac number, because 123120113022231 - 2³ = 123120113022223 is a prime.

It is a super-2 number, since 2×123120113022231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123120113022239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214148866 + ... + 214723023.

It is an arithmetic number, because the mean of its divisors is an integer number (5863107608190).

Almost surely, 2^{123120113022231} is an apocalyptic number.

123120113022231 is a deficient number, since it is larger than the sum of its proper divisors (64499330439849).

123120113022231 is a wasteful number, since it uses less digits than its factorization.

123120113022231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428872355.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 123120113022231 its reverse (132220311021321), we get a palindrome (255340424043552).

The spelling of 123120113022231 in words is "one hundred twenty-three trillion, one hundred twenty billion, one hundred thirteen million, twenty-two thousand, two hundred thirty-one".