123013203135198 has 16 divisors (see below), whose sum is σ = 246368584869120. Its totient is φ = 40947371278616.

The previous prime is 123013203135187. The next prime is 123013203135209. The reversal of 123013203135198 is 891531302310321.

It is an interprime number because it is at equal distance from previous prime (123013203135187) and next prime (123013203135209).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14257436940 + ... + 14257445567.

It is an arithmetic number, because the mean of its divisors is an integer number (15398036554320).

Almost surely, 2^{123013203135198} is an apocalyptic number.

123013203135198 is an abundant number, since it is smaller than the sum of its proper divisors (123355381733922).

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

123013203135198 is a wasteful number, since it uses less digits than its factorization.

123013203135198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28514883231.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 123013203135198 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred thirty-five thousand, one hundred ninety-eight".