317603423 has 2 divisors, whose sum is σ = 317603424. Its totient is φ = 317603422.

The previous prime is 317603413. The next prime is 317603443. The reversal of 317603423 is 324306713.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317603423 - 2⁶ = 317603359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317603413) 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, 158801711 + 158801712.

It is an arithmetic number, because the mean of its divisors is an integer number (158801712).

Almost surely, 2^317603423 is an apocalyptic number.

317603423 is a deficient number, since it is larger than the sum of its proper divisors (1).

317603423 is an equidigital number, since it uses as much as digits as its factorization.

317603423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 317603423 is about 17821.4315642711. The cubic root of 317603423 is about 682.2785609977.

The spelling of 317603423 in words is "three hundred seventeen million, six hundred three thousand, four hundred twenty-three".