238823336539 has 2 divisors, whose sum is σ = 238823336540. Its totient is φ = 238823336538.

The previous prime is 238823336513. The next prime is 238823336573. The reversal of 238823336539 is 935633328832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238823336539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238823336539.

It is not a weakly prime, because it can be changed into another prime (238823336509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119411668269 + 119411668270.

It is an arithmetic number, because the mean of its divisors is an integer number (119411668270).

Almost surely, 2^238823336539 is an apocalyptic number.

238823336539 is a deficient number, since it is larger than the sum of its proper divisors (1).

238823336539 is an equidigital number, since it uses as much as digits as its factorization.

238823336539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 55.

The spelling of 238823336539 in words is "two hundred thirty-eight billion, eight hundred twenty-three million, three hundred thirty-six thousand, five hundred thirty-nine".