123313111120 has 40 divisors (see below), whose sum is σ = 288601706880. Its totient is φ = 48998582400.

The previous prime is 123313111093. The next prime is 123313111127. The reversal of 123313111120 is 21111313321.

123313111120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×123313111120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123313111127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5091940 + ... + 5116099.

It is an arithmetic number, because the mean of its divisors is an integer number (7215042672).

Almost surely, 2^123313111120 is an apocalyptic number.

123313111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123313111120 is an abundant number, since it is smaller than the sum of its proper divisors (165288595760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123313111120 is a wasteful number, since it uses less digits than its factorization.

123313111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10208203 (or 10208197 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 123313111120 its reverse (21111313321), we get a palindrome (144424424441).

The spelling of 123313111120 in words is "one hundred twenty-three billion, three hundred thirteen million, one hundred eleven thousand, one hundred twenty".