79591423 has 2 divisors, whose sum is σ = 79591424. Its totient is φ = 79591422.

The previous prime is 79591411. The next prime is 79591481. The reversal of 79591423 is 32419597.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79591423 - 2⁹ = 79590911 is a prime.

It is equal to p_4646974 and since 79591423 and 4646974 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79591493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39795711 + 39795712.

It is an arithmetic number, because the mean of its divisors is an integer number (39795712).

Almost surely, 2^79591423 is an apocalyptic number.

79591423 is a deficient number, since it is larger than the sum of its proper divisors (1).

79591423 is an equidigital number, since it uses as much as digits as its factorization.

79591423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 79591423 is about 8921.4025242671. The cubic root of 79591423 is about 430.1521419445.

The spelling of 79591423 in words is "seventy-nine million, five hundred ninety-one thousand, four hundred twenty-three".