230917 has 6 divisors (see below), whose sum is σ = 240198. Its totient is φ = 221832.

The previous prime is 230891. The next prime is 230929. The reversal of 230917 is 719032.

It can be written as a sum of positive squares in only one way, i.e., 224676 + 6241 = 474^2 + 79^2 .

It is not a de Polignac number, because 230917 - 2¹¹ = 228869 is a prime.

It is a Duffinian number.

230917 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2884 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (40033).

2²³⁰⁹¹⁷ is an apocalyptic number.

It is an amenable number.

230917 is a deficient number, since it is larger than the sum of its proper divisors (9281).

230917 is an frugal number, since it uses more digits than its factorization.

230917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 230917 is about 480.5382398936. The cubic root of 230917 is about 61.3505747317.

Adding to 230917 its reverse (719032), we get a palindrome (949949).

The spelling of 230917 in words is "two hundred thirty thousand, nine hundred seventeen".