123210230111120 has 40 divisors (see below), whose sum is σ = 286466576840640. Its totient is φ = 49283611729280.

The previous prime is 123210230111119. The next prime is 123210230111147. The reversal of 123210230111120 is 21111032012321.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 123210230111092 and 123210230111101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812255 + ... + 15718785.

It is an arithmetic number, because the mean of its divisors is an integer number (7161664421016).

Almost surely, 2^{123210230111120} is an apocalyptic number.

123210230111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123210230111120 is an abundant number, since it is smaller than the sum of its proper divisors (163256346729520).

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

123210230111120 is a wasteful number, since it uses less digits than its factorization.

123210230111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15009863 (or 15009857 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 123210230111120 its reverse (21111032012321), we get a palindrome (144321262123441).

The spelling of 123210230111120 in words is "one hundred twenty-three trillion, two hundred ten billion, two hundred thirty million, one hundred eleven thousand, one hundred twenty".