123123120203300 has 72 divisors (see below), whose sum is σ = 305355203057856. Its totient is φ = 42212277394560.

The previous prime is 123123120203297. The next prime is 123123120203329. The reversal of 123123120203300 is 3302021321321.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18960374 + ... + 24611826.

Almost surely, 2^{123123120203300} is an apocalyptic number.

123123120203300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123123120203300 is an abundant number, since it is smaller than the sum of its proper divisors (182232082854556).

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

123123120203300 is a wasteful number, since it uses less digits than its factorization.

123123120203300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682597 (or 5682590 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123123120203300 its reverse (3302021321321), we get a palindrome (126425141524621).

The spelling of 123123120203300 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, one hundred twenty million, two hundred three thousand, three hundred".