230678717 has 2 divisors, whose sum is σ = 230678718. Its totient is φ = 230678716.

The previous prime is 230678713. The next prime is 230678761. The reversal of 230678717 is 717876032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230402041 + 276676 = 15179^2 + 526^2 .

It is a cyclic number.

It is not a de Polignac number, because 230678717 - 2² = 230678713 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230678713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115339358 + 115339359.

It is an arithmetic number, because the mean of its divisors is an integer number (115339359).

Almost surely, 2^230678717 is an apocalyptic number.

It is an amenable number.

230678717 is a deficient number, since it is larger than the sum of its proper divisors (1).

230678717 is an equidigital number, since it uses as much as digits as its factorization.

230678717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 230678717 is about 15188.1110412059. Note that the first 3 decimals coincide. The cubic root of 230678717 is about 613.2946493862.

The spelling of 230678717 in words is "two hundred thirty million, six hundred seventy-eight thousand, seven hundred seventeen".