916311923 has 2 divisors, whose sum is σ = 916311924. Its totient is φ = 916311922.

The previous prime is 916311887. The next prime is 916311937. The reversal of 916311923 is 329113619.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 916311923 - 2⁸ = 916311667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (916311943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458155961 + 458155962.

It is an arithmetic number, because the mean of its divisors is an integer number (458155962).

Almost surely, 2^916311923 is an apocalyptic number.

916311923 is a deficient number, since it is larger than the sum of its proper divisors (1).

916311923 is an equidigital number, since it uses as much as digits as its factorization.

916311923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 35.

The square root of 916311923 is about 30270.6445752316. The cubic root of 916311923 is about 971.2874543622.

The spelling of 916311923 in words is "nine hundred sixteen million, three hundred eleven thousand, nine hundred twenty-three".