123013203135199 has 16 divisors (see below), whose sum is σ = 138724037770752. Its totient is φ = 108229870365408.

The previous prime is 123013203135187. The next prime is 123013203135209. The reversal of 123013203135199 is 991531302310321.

It is a cyclic number.

It is not a de Polignac number, because 123013203135199 - 2²⁷ = 123013068917471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013203115199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726797707 + ... + 726966940.

It is an arithmetic number, because the mean of its divisors is an integer number (8670252360672).

Almost surely, 2^{123013203135199} is an apocalyptic number.

123013203135199 is a deficient number, since it is larger than the sum of its proper divisors (15710834635553).

123013203135199 is a wasteful number, since it uses less digits than its factorization.

123013203135199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453764966.

The product of its (nonzero) digits is 131220, while the sum is 43.

The spelling of 123013203135199 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred thirty-five thousand, one hundred ninety-nine".