319318823 has 2 divisors, whose sum is σ = 319318824. Its totient is φ = 319318822.

The previous prime is 319318801. The next prime is 319318841. The reversal of 319318823 is 328813913.

It is a strong prime.

It is an emirp because it is prime and its reverse (328813913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319318823 - 2¹⁸ = 319056679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319318523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159659411 + 159659412.

It is an arithmetic number, because the mean of its divisors is an integer number (159659412).

Almost surely, 2^319318823 is an apocalyptic number.

319318823 is a deficient number, since it is larger than the sum of its proper divisors (1).

319318823 is an equidigital number, since it uses as much as digits as its factorization.

319318823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 319318823 is about 17869.4942010120. The cubic root of 319318823 is about 683.5047021055.

The spelling of 319318823 in words is "three hundred nineteen million, three hundred eighteen thousand, eight hundred twenty-three".