230171839 has 2 divisors, whose sum is σ = 230171840. Its totient is φ = 230171838.

The previous prime is 230171801. The next prime is 230171881. The reversal of 230171839 is 938171032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230171839 - 2¹¹ = 230169791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230171899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115085919 + 115085920.

It is an arithmetic number, because the mean of its divisors is an integer number (115085920).

Almost surely, 2^230171839 is an apocalyptic number.

230171839 is a deficient number, since it is larger than the sum of its proper divisors (1).

230171839 is an equidigital number, since it uses as much as digits as its factorization.

230171839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 230171839 is about 15171.4151943713. The cubic root of 230171839 is about 612.8451157384.

The spelling of 230171839 in words is "two hundred thirty million, one hundred seventy-one thousand, eight hundred thirty-nine".