117917323 has 2 divisors, whose sum is σ = 117917324. Its totient is φ = 117917322.

The previous prime is 117917299. The next prime is 117917329. The reversal of 117917323 is 323719711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117917323 - 2¹³ = 117909131 is a prime.

It is not a weakly prime, because it can be changed into another prime (117917329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58958661 + 58958662.

It is an arithmetic number, because the mean of its divisors is an integer number (58958662).

Almost surely, 2^117917323 is an apocalyptic number.

117917323 is a deficient number, since it is larger than the sum of its proper divisors (1).

117917323 is an equidigital number, since it uses as much as digits as its factorization.

117917323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 34.

The square root of 117917323 is about 10858.9743069960. The cubic root of 117917323 is about 490.3722327770.

The spelling of 117917323 in words is "one hundred seventeen million, nine hundred seventeen thousand, three hundred twenty-three".