320238239 has 2 divisors, whose sum is σ = 320238240. Its totient is φ = 320238238.

The previous prime is 320238221. The next prime is 320238257. The reversal of 320238239 is 932832023.

It is a balanced prime because it is at equal distance from previous prime (320238221) and next prime (320238257).

It is a cyclic number.

It is not a de Polignac number, because 320238239 - 2¹² = 320234143 is a prime.

It is a super-2 number, since 2×320238239² = 205105059435642242, 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 (320238209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160119119 + 160119120.

It is an arithmetic number, because the mean of its divisors is an integer number (160119120).

Almost surely, 2^320238239 is an apocalyptic number.

320238239 is a deficient number, since it is larger than the sum of its proper divisors (1).

320238239 is an equidigital number, since it uses as much as digits as its factorization.

320238239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 320238239 is about 17895.2015635477. The cubic root of 320238239 is about 684.1600794636.

The spelling of 320238239 in words is "three hundred twenty million, two hundred thirty-eight thousand, two hundred thirty-nine".