79673231123 has 4 divisors (see below), whose sum is σ = 80979349728. Its totient is φ = 78367112520.

The previous prime is 79673231111. The next prime is 79673231137. The reversal of 79673231123 is 32113237697.

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

It is a cyclic number.

It is not a de Polignac number, because 79673231123 - 2⁶ = 79673231059 is a prime.

It is a super-2 number, since 2×79673231123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79673231623) 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, 653059211 + ... + 653059332.

It is an arithmetic number, because the mean of its divisors is an integer number (20244837432).

Almost surely, 2^79673231123 is an apocalyptic number.

79673231123 is a deficient number, since it is larger than the sum of its proper divisors (1306118605).

79673231123 is a wasteful number, since it uses less digits than its factorization.

79673231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306118604.

The product of its digits is 285768, while the sum is 44.

The spelling of 79673231123 in words is "seventy-nine billion, six hundred seventy-three million, two hundred thirty-one thousand, one hundred twenty-three".