123013203135207 has 16 divisors (see below), whose sum is σ = 204489480536832. Its totient is φ = 63902962667520.

The previous prime is 123013203135187. The next prime is 123013203135209. The reversal of 123013203135207 is 702531302310321.

It is not a de Polignac number, because 123013203135207 - 2⁷ = 123013203135079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013203135209) 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, 266262344218 + ... + 266262344679.

It is an arithmetic number, because the mean of its divisors is an integer number (12780592533552).

Almost surely, 2^{123013203135207} is an apocalyptic number.

123013203135207 is a deficient number, since it is larger than the sum of its proper divisors (81476277401625).

123013203135207 is a wasteful number, since it uses less digits than its factorization.

123013203135207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532524688918.

The product of its (nonzero) digits is 22680, while the sum is 33.

Adding to 123013203135207 its reverse (702531302310321), we get a palindrome (825544505445528).

The spelling of 123013203135207 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred thirty-five thousand, two hundred seven".