231063839 has 2 divisors, whose sum is σ = 231063840. Its totient is φ = 231063838.

The previous prime is 231063829. The next prime is 231063871. The reversal of 231063839 is 938360132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231063839 - 2¹² = 231059743 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 231063799 and 231063808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231063829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115531919 + 115531920.

It is an arithmetic number, because the mean of its divisors is an integer number (115531920).

Almost surely, 2^231063839 is an apocalyptic number.

231063839 is a deficient number, since it is larger than the sum of its proper divisors (1).

231063839 is an equidigital number, since it uses as much as digits as its factorization.

231063839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 231063839 is about 15200.7841574045. The cubic root of 231063839 is about 613.6357615384.

The spelling of 231063839 in words is "two hundred thirty-one million, sixty-three thousand, eight hundred thirty-nine".