313894523 has 2 divisors, whose sum is σ = 313894524. Its totient is φ = 313894522.

The previous prime is 313894513. The next prime is 313894541. The reversal of 313894523 is 325498313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313894523 - 2⁴ = 313894507 is a prime.

It is not a weakly prime, because it can be changed into another prime (313894513) 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, 156947261 + 156947262.

It is an arithmetic number, because the mean of its divisors is an integer number (156947262).

Almost surely, 2^313894523 is an apocalyptic number.

313894523 is a deficient number, since it is larger than the sum of its proper divisors (1).

313894523 is an equidigital number, since it uses as much as digits as its factorization.

313894523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 313894523 is about 17717.0686909545. The cubic root of 313894523 is about 679.6123244391.

The spelling of 313894523 in words is "three hundred thirteen million, eight hundred ninety-four thousand, five hundred twenty-three".