319790423 has 2 divisors, whose sum is σ = 319790424. Its totient is φ = 319790422.

The previous prime is 319790399. The next prime is 319790479. The reversal of 319790423 is 324097913.

It is a weak prime.

It is an emirp because it is prime and its reverse (324097913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319790423 - 2⁸ = 319790167 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 (319790323) 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 as a sum of consecutive naturals, namely, 159895211 + 159895212.

It is an arithmetic number, because the mean of its divisors is an integer number (159895212).

Almost surely, 2^319790423 is an apocalyptic number.

319790423 is a deficient number, since it is larger than the sum of its proper divisors (1).

319790423 is an equidigital number, since it uses as much as digits as its factorization.

319790423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 319790423 is about 17882.6850053341. The cubic root of 319790423 is about 683.8410245485.

The spelling of 319790423 in words is "three hundred nineteen million, seven hundred ninety thousand, four hundred twenty-three".