233239 has 2 divisors, whose sum is σ = 233240. Its totient is φ = 233238.

The previous prime is 233231. The next prime is 233251. The reversal of 233239 is 932332.

233239 is nontrivially palindromic in base 15.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 233239 - 2³ = 233231 is a prime.

It is a super-2 number, since 2×233239² = 108800862242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233231) 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, 116619 + 116620.

It is an arithmetic number, because the mean of its divisors is an integer number (116620).

2²³³²³⁹ is an apocalyptic number.

233239 is a deficient number, since it is larger than the sum of its proper divisors (1).

233239 is an equidigital number, since it uses as much as digits as its factorization.

233239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 22.

The square root of 233239 is about 482.9482373920. The cubic root of 233239 is about 61.5555274383. Note that the first 4 decimals are identical.

It can be divided in two parts, 23323 and 9, that added together give a palindrome (23332).

The spelling of 233239 in words is "two hundred thirty-three thousand, two hundred thirty-nine".