230918117 has 2 divisors, whose sum is σ = 230918118. Its totient is φ = 230918116.

The previous prime is 230918111. The next prime is 230918119. The reversal of 230918117 is 711819032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166693921 + 64224196 = 12911^2 + 8014^2 .

It is a cyclic number.

It is not a de Polignac number, because 230918117 - 2²² = 226723813 is a prime.

Together with 230918119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230918111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115459058 + 115459059.

It is an arithmetic number, because the mean of its divisors is an integer number (115459059).

Almost surely, 2^230918117 is an apocalyptic number.

It is an amenable number.

230918117 is a deficient number, since it is larger than the sum of its proper divisors (1).

230918117 is an equidigital number, since it uses as much as digits as its factorization.

230918117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 230918117 is about 15195.9901618815. The cubic root of 230918117 is about 613.5067365393.

The spelling of 230918117 in words is "two hundred thirty million, nine hundred eighteen thousand, one hundred seventeen".