230811717 has 16 divisors (see below), whose sum is σ = 317652480. Its totient is φ = 149001072.

The previous prime is 230811697. The next prime is 230811719. The reversal of 230811717 is 717118032.

It is not a de Polignac number, because 230811717 - 2¹⁰ = 230810693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230811719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2128 + ... + 21590.

It is an arithmetic number, because the mean of its divisors is an integer number (19853280).

Almost surely, 2^230811717 is an apocalyptic number.

It is an amenable number.

230811717 is a deficient number, since it is larger than the sum of its proper divisors (86840763).

230811717 is a wasteful number, since it uses less digits than its factorization.

230811717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19592.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 230811717 is about 15192.4888349474. The cubic root of 230811717 is about 613.4124936881.

Adding to 230811717 its reverse (717118032), we get a palindrome (947929749).

The spelling of 230811717 in words is "two hundred thirty million, eight hundred eleven thousand, seven hundred seventeen".