230340317 has 2 divisors, whose sum is σ = 230340318. Its totient is φ = 230340316.

The previous prime is 230340269. The next prime is 230340343. The reversal of 230340317 is 713043032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121638841 + 108701476 = 11029^2 + 10426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230340317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230340292 and 230340301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230340347) 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, 115170158 + 115170159.

It is an arithmetic number, because the mean of its divisors is an integer number (115170159).

Almost surely, 2^230340317 is an apocalyptic number.

It is an amenable number.

230340317 is a deficient number, since it is larger than the sum of its proper divisors (1).

230340317 is an equidigital number, since it uses as much as digits as its factorization.

230340317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 230340317 is about 15176.9666600411. The cubic root of 230340317 is about 612.9946065681.

Adding to 230340317 its reverse (713043032), we get a palindrome (943383349).

The spelling of 230340317 in words is "two hundred thirty million, three hundred forty thousand, three hundred seventeen".