123604726423 has 4 divisors (see below), whose sum is σ = 130110238360. Its totient is φ = 117099214488.

The previous prime is 123604726391. The next prime is 123604726429. The reversal of 123604726423 is 324627406321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 123604726423 - 2⁵ = 123604726391 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 (123604726429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3252755940 + ... + 3252755977.

It is an arithmetic number, because the mean of its divisors is an integer number (32527559590).

Almost surely, 2^123604726423 is an apocalyptic number.

123604726423 is a deficient number, since it is larger than the sum of its proper divisors (6505511937).

123604726423 is an equidigital number, since it uses as much as digits as its factorization.

123604726423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6505511936.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 123604726423 in words is "one hundred twenty-three billion, six hundred four million, seven hundred twenty-six thousand, four hundred twenty-three".