123203210030120 has 32 divisors (see below), whose sum is σ = 302407879165920. Its totient is φ = 44801167283520.

The previous prime is 123203210030081. The next prime is 123203210030123. The reversal of 123203210030120 is 21030012302321.

It is a super-2 number, since 2×123203210030120² (a number of 29 digits) contains 22 as substring.

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 = 123203210030092 and 123203210030101.

It is not an unprimeable number, because it can be changed into a prime (123203210030123) 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, 140003647322 + ... + 140003648201.

It is an arithmetic number, because the mean of its divisors is an integer number (9450246223935).

Almost surely, 2^{123203210030120} is an apocalyptic number.

123203210030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123203210030120 is an abundant number, since it is smaller than the sum of its proper divisors (179204669135800).

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

123203210030120 is a wasteful number, since it uses less digits than its factorization.

123203210030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280007295545 (or 280007295541 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123203210030120 its reverse (21030012302321), we get a palindrome (144233222332441).

The spelling of 123203210030120 in words is "one hundred twenty-three trillion, two hundred three billion, two hundred ten million, thirty thousand, one hundred twenty".