313194744623 has 2 divisors, whose sum is σ = 313194744624. Its totient is φ = 313194744622.

The previous prime is 313194744619. The next prime is 313194744631. The reversal of 313194744623 is 326447491313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313194744623 - 2² = 313194744619 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 (313194741623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156597372311 + 156597372312.

It is an arithmetic number, because the mean of its divisors is an integer number (156597372312).

Almost surely, 2^313194744623 is an apocalyptic number.

313194744623 is a deficient number, since it is larger than the sum of its proper divisors (1).

313194744623 is an equidigital number, since it uses as much as digits as its factorization.

313194744623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 47.

The spelling of 313194744623 in words is "three hundred thirteen billion, one hundred ninety-four million, seven hundred forty-four thousand, six hundred twenty-three".