717116923 has 2 divisors, whose sum is σ = 717116924. Its totient is φ = 717116922.

The previous prime is 717116861. The next prime is 717116927. The reversal of 717116923 is 329611717.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 717116923 - 2¹⁷ = 716985851 is a prime.

It is not a weakly prime, because it can be changed into another prime (717116927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358558461 + 358558462.

It is an arithmetic number, because the mean of its divisors is an integer number (358558462).

Almost surely, 2^717116923 is an apocalyptic number.

717116923 is a deficient number, since it is larger than the sum of its proper divisors (1).

717116923 is an equidigital number, since it uses as much as digits as its factorization.

717116923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 37.

The square root of 717116923 is about 26779.0388737161. The cubic root of 717116923 is about 895.0830309036.

The spelling of 717116923 in words is "seven hundred seventeen million, one hundred sixteen thousand, nine hundred twenty-three".