319479723 has 24 divisors (see below), whose sum is σ = 473487872. Its totient is φ = 207467568.

The previous prime is 319479703. The next prime is 319479757. The reversal of 319479723 is 327974913.

It is not a de Polignac number, because 319479723 - 2⁶ = 319479659 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319479703) 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 23 ways as a sum of consecutive naturals, for example, 178290 + ... + 180072.

Almost surely, 2^319479723 is an apocalyptic number.

319479723 is a deficient number, since it is larger than the sum of its proper divisors (154008149).

319479723 is a wasteful number, since it uses less digits than its factorization.

319479723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2292 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 319479723 is about 17873.9957200398. The cubic root of 319479723 is about 683.6194854423.

The spelling of 319479723 in words is "three hundred nineteen million, four hundred seventy-nine thousand, seven hundred twenty-three".