123030012311100 has 108 divisors (see below), whose sum is σ = 385837960788280. Its totient is φ = 32790373603200.

The previous prime is 123030012311069. The next prime is 123030012311117. The reversal of 123030012311100 is 1113210030321.

123030012311100 is a `hidden beast` number, since 1 + 2 + 30 + 300 + 1 + 231 + 1 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35052670 + ... + 38402469.

Almost surely, 2^{123030012311100} is an apocalyptic number.

123030012311100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123030012311100 is an abundant number, since it is smaller than the sum of its proper divisors (262807948477180).

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

123030012311100 is a wasteful number, since it uses less digits than its factorization.

123030012311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73457020 (or 73457010 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 123030012311100 its reverse (1113210030321), we get a palindrome (124143222341421).

The spelling of 123030012311100 in words is "one hundred twenty-three trillion, thirty billion, twelve million, three hundred eleven thousand, one hundred".