123031303113120 has 48 divisors (see below), whose sum is σ = 387548604807840. Its totient is φ = 32808347496704.

The previous prime is 123031303113101. The next prime is 123031303113127. The reversal of 123031303113120 is 21311303130321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×123031303113120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (123031303113127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128157606930 + ... + 128157607889.

It is an arithmetic number, because the mean of its divisors is an integer number (8073929266830).

Almost surely, 2^{123031303113120} is an apocalyptic number.

123031303113120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123031303113120 is an abundant number, since it is smaller than the sum of its proper divisors (264517301694720).

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

123031303113120 is a wasteful number, since it uses less digits than its factorization.

123031303113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256315214837 (or 256315214829 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 123031303113120 its reverse (21311303130321), we get a palindrome (144342606243441).

The spelling of 123031303113120 in words is "one hundred twenty-three trillion, thirty-one billion, three hundred three million, one hundred thirteen thousand, one hundred twenty".