230906717 has 2 divisors, whose sum is σ = 230906718. Its totient is φ = 230906716.

The previous prime is 230906681. The next prime is 230906719. The reversal of 230906717 is 717609032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223622116 + 7284601 = 14954^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 230906717 - 2²⁰ = 229858141 is a prime.

Together with 230906719, 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 (230906719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115453358 + 115453359.

It is an arithmetic number, because the mean of its divisors is an integer number (115453359).

Almost surely, 2^230906717 is an apocalyptic number.

It is an amenable number.

230906717 is a deficient number, since it is larger than the sum of its proper divisors (1).

230906717 is an equidigital number, since it uses as much as digits as its factorization.

230906717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 230906717 is about 15195.6150582989. The cubic root of 230906717 is about 613.4966404759.

The spelling of 230906717 in words is "two hundred thirty million, nine hundred six thousand, seven hundred seventeen".