916317923 has 4 divisors (see below), whose sum is σ = 926613720. Its totient is φ = 906022128.

The previous prime is 916317889. The next prime is 916317947. The reversal of 916317923 is 329713619.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 916317923 - 2⁶ = 916317859 is a prime.

It is a super-2 number, since 2×916317923² = 1679277072022067858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916311923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147765 + ... + 5147942.

It is an arithmetic number, because the mean of its divisors is an integer number (231653430).

Almost surely, 2^916317923 is an apocalyptic number.

916317923 is a deficient number, since it is larger than the sum of its proper divisors (10295797).

916317923 is a wasteful number, since it uses less digits than its factorization.

916317923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10295796.

The product of its digits is 61236, while the sum is 41.

The square root of 916317923 is about 30270.7436809868. The cubic root of 916317923 is about 971.2895743507.

The spelling of 916317923 in words is "nine hundred sixteen million, three hundred seventeen thousand, nine hundred twenty-three".