117089923 has 2 divisors, whose sum is σ = 117089924. Its totient is φ = 117089922.

The previous prime is 117089899. The next prime is 117089933. The reversal of 117089923 is 329980711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117089923 is a prime.

It is not a weakly prime, because it can be changed into another prime (117089933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58544961 + 58544962.

It is an arithmetic number, because the mean of its divisors is an integer number (58544962).

Almost surely, 2^117089923 is an apocalyptic number.

117089923 is a deficient number, since it is larger than the sum of its proper divisors (1).

117089923 is an equidigital number, since it uses as much as digits as its factorization.

117089923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 117089923 is about 10820.8097201642. The cubic root of 117089923 is about 489.2225948388. Note that the first 3 decimals are identical.

The spelling of 117089923 in words is "one hundred seventeen million, eighty-nine thousand, nine hundred twenty-three".