313899923 has 2 divisors, whose sum is σ = 313899924. Its totient is φ = 313899922.

The previous prime is 313899899. The next prime is 313899953. The reversal of 313899923 is 329998313.

It is a weak prime.

It is an emirp because it is prime and its reverse (329998313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313899923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (313899953) 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, 156949961 + 156949962.

It is an arithmetic number, because the mean of its divisors is an integer number (156949962).

Almost surely, 2^313899923 is an apocalyptic number.

313899923 is a deficient number, since it is larger than the sum of its proper divisors (1).

313899923 is an equidigital number, since it uses as much as digits as its factorization.

313899923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 47.

The square root of 313899923 is about 17717.2210857121. The cubic root of 313899923 is about 679.6162215927.

The spelling of 313899923 in words is "three hundred thirteen million, eight hundred ninety-nine thousand, nine hundred twenty-three".