319475857423 has 2 divisors, whose sum is σ = 319475857424. Its totient is φ = 319475857422.

The previous prime is 319475857411. The next prime is 319475857507. The reversal of 319475857423 is 324758574913.

It is a weak prime.

It is an emirp because it is prime and its reverse (324758574913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319475857423 - 2⁵ = 319475857391 is a prime.

It is a super-2 number, since 2×319475857423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319475857123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159737928711 + 159737928712.

It is an arithmetic number, because the mean of its divisors is an integer number (159737928712).

Almost surely, 2^319475857423 is an apocalyptic number.

319475857423 is a deficient number, since it is larger than the sum of its proper divisors (1).

319475857423 is an equidigital number, since it uses as much as digits as its factorization.

319475857423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 58.

The spelling of 319475857423 in words is "three hundred nineteen billion, four hundred seventy-five million, eight hundred fifty-seven thousand, four hundred twenty-three".