232439 has 2 divisors, whose sum is σ = 232440. Its totient is φ = 232438.

The previous prime is 232433. The next prime is 232451. The reversal of 232439 is 934232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232439 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹¹ + 3⁹ + 4³ + 2¹⁵ + 3¹¹ + 9³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232433) 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 as a sum of consecutive naturals, namely, 116219 + 116220.

It is an arithmetic number, because the mean of its divisors is an integer number (116220).

2²³²⁴³⁹ is an apocalyptic number.

232439 is a deficient number, since it is larger than the sum of its proper divisors (1).

232439 is an equidigital number, since it uses as much as digits as its factorization.

232439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 232439 is about 482.1192798468. The cubic root of 232439 is about 61.4850691936.

The spelling of 232439 in words is "two hundred thirty-two thousand, four hundred thirty-nine".