313623647 has 2 divisors, whose sum is σ = 313623648. Its totient is φ = 313623646.

The previous prime is 313623641. The next prime is 313623677. The reversal of 313623647 is 746326313.

It is a weak prime.

It is an emirp because it is prime and its reverse (746326313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313623647 - 2²⁶ = 246514783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313623641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156811823 + 156811824.

It is an arithmetic number, because the mean of its divisors is an integer number (156811824).

Almost surely, 2^313623647 is an apocalyptic number.

313623647 is a deficient number, since it is larger than the sum of its proper divisors (1).

313623647 is an equidigital number, since it uses as much as digits as its factorization.

313623647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 35.

The square root of 313623647 is about 17709.4225484627. The cubic root of 313623647 is about 679.4167771732.

The spelling of 313623647 in words is "three hundred thirteen million, six hundred twenty-three thousand, six hundred forty-seven".