79231123 has 2 divisors, whose sum is σ = 79231124. Its totient is φ = 79231122.

The previous prime is 79231111. The next prime is 79231127. The reversal of 79231123 is 32113297.

It is a strong prime.

It is an emirp because it is prime and its reverse (32113297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79231123 - 2⁵ = 79231091 is a prime.

It is a super-2 number, since 2×79231123² = 12555141703682258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79231091 and 79231100.

It is not a weakly prime, because it can be changed into another prime (79231127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39615561 + 39615562.

It is an arithmetic number, because the mean of its divisors is an integer number (39615562).

Almost surely, 2^79231123 is an apocalyptic number.

79231123 is a deficient number, since it is larger than the sum of its proper divisors (1).

79231123 is an equidigital number, since it uses as much as digits as its factorization.

79231123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 79231123 is about 8901.1866062902. The cubic root of 79231123 is about 429.5020791418.

The spelling of 79231123 in words is "seventy-nine million, two hundred thirty-one thousand, one hundred twenty-three".