79131323 has 4 divisors (see below), whose sum is σ = 79177488. Its totient is φ = 79085160.

The previous prime is 79131317. The next prime is 79131329. The reversal of 79131323 is 32313197.

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

It is an interprime number because it is at equal distance from previous prime (79131317) and next prime (79131329).

It is a cyclic number.

It is not a de Polignac number, because 79131323 - 2⁶ = 79131259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79131329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20408 + ... + 23973.

It is an arithmetic number, because the mean of its divisors is an integer number (19794372).

Almost surely, 2^79131323 is an apocalyptic number.

79131323 is a deficient number, since it is larger than the sum of its proper divisors (46165).

79131323 is a wasteful number, since it uses less digits than its factorization.

79131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46164.

The product of its digits is 3402, while the sum is 29.

The square root of 79131323 is about 8895.5788456963. The cubic root of 79131323 is about 429.3216689029.

The spelling of 79131323 in words is "seventy-nine million, one hundred thirty-one thousand, three hundred twenty-three".