123031020300 has 36 divisors (see below), whose sum is σ = 355969752936. Its totient is φ = 32808272000.

The previous prime is 123031020227. The next prime is 123031020341. The reversal of 123031020300 is 3020130321.

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 123031020300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205051401 + ... + 205052000.

Almost surely, 2^123031020300 is an apocalyptic number.

123031020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123031020300 is an abundant number, since it is smaller than the sum of its proper divisors (232938732636).

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

123031020300 is a wasteful number, since it uses less digits than its factorization.

123031020300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410103418 (or 410103411 counting only the distinct ones).

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

Adding to 123031020300 its reverse (3020130321), we get a palindrome (126051150621).

The spelling of 123031020300 in words is "one hundred twenty-three billion, thirty-one million, twenty thousand, three hundred".