123392809609206 has 32 divisors (see below), whose sum is σ = 246911700198240. Its totient is φ = 41109927096576.

The previous prime is 123392809609159. The next prime is 123392809609271. The reversal of 123392809609206 is 602906908293321.

It is a self number, because there is not a number n which added to its sum of digits gives 123392809609206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122429080 + ... + 123432836.

It is an arithmetic number, because the mean of its divisors is an integer number (7715990631195).

Almost surely, 2^{123392809609206} is an apocalyptic number.

123392809609206 is an abundant number, since it is smaller than the sum of its proper divisors (123518890589034).

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

123392809609206 is a wasteful number, since it uses less digits than its factorization.

123392809609206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014208.

The product of its (nonzero) digits is 15116544, while the sum is 60.

The spelling of 123392809609206 in words is "one hundred twenty-three trillion, three hundred ninety-two billion, eight hundred nine million, six hundred nine thousand, two hundred six".