318723375419 has 2 divisors, whose sum is σ = 318723375420. Its totient is φ = 318723375418.

The previous prime is 318723375413. The next prime is 318723375437. The reversal of 318723375419 is 914573327813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318723375419 - 2⁸ = 318723375163 is a prime.

It is a super-2 number, since 2×318723375419² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (318723375413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159361687709 + 159361687710.

It is an arithmetic number, because the mean of its divisors is an integer number (159361687710).

Almost surely, 2^318723375419 is an apocalyptic number.

318723375419 is a deficient number, since it is larger than the sum of its proper divisors (1).

318723375419 is an equidigital number, since it uses as much as digits as its factorization.

318723375419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 53.

The spelling of 318723375419 in words is "three hundred eighteen billion, seven hundred twenty-three million, three hundred seventy-five thousand, four hundred nineteen".