123000031030200 has 96 divisors (see below), whose sum is σ = 381820288686000. Its totient is φ = 32755260533760.

The previous prime is 123000031030141. The next prime is 123000031030267. The reversal of 123000031030200 is 2030130000321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123000031030200.

It is a congruent number.

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, 139396525 + ... + 140276124.

Almost surely, 2^{123000031030200} is an apocalyptic number.

123000031030200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123000031030200 is an abundant number, since it is smaller than the sum of its proper divisors (258820257655800).

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

123000031030200 is a wasteful number, since it uses less digits than its factorization.

123000031030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279673401 (or 279673392 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 123000031030200 its reverse (2030130000321), we get a palindrome (125030161030521).

The spelling of 123000031030200 in words is "one hundred twenty-three trillion, thirty-one million, thirty thousand, two hundred".