230957 has 4 divisors (see below), whose sum is σ = 233436. Its totient is φ = 228480.

The previous prime is 230941. The next prime is 230959. The reversal of 230957 is 759032.

230957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32041 + 198916 = 179^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 230957 - 2⁴ = 230941 is a prime.

It is a super-2 number, since 2×230957² = 106682271698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 230957.

It is not an unprimeable number, because it can be changed into a prime (230959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (58359).

2²³⁰⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

230957 is a deficient number, since it is larger than the sum of its proper divisors (2479).

230957 is an equidigital number, since it uses as much as digits as its factorization.

230957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 230957 is about 480.5798580881. The cubic root of 230957 is about 61.3541169587.

Adding to 230957 its reverse (759032), we get a palindrome (989989).

The spelling of 230957 in words is "two hundred thirty thousand, nine hundred fifty-seven".