230239 has 2 divisors, whose sum is σ = 230240. Its totient is φ = 230238.

The previous prime is 230233. The next prime is 230257. The reversal of 230239 is 932032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230239 - 2⁹ = 229727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115119 + 115120.

It is an arithmetic number, because the mean of its divisors is an integer number (115120).

2²³⁰²³⁹ is an apocalyptic number.

230239 is a deficient number, since it is larger than the sum of its proper divisors (1).

230239 is an equidigital number, since it uses as much as digits as its factorization.

230239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 230239 is about 479.8322623584. The cubic root of 230239 is about 61.2904716554.

It can be divided in two parts, 23023 and 9, that added together give a palindrome (23032).

The spelling of 230239 in words is "two hundred thirty thousand, two hundred thirty-nine".