230187839 has 6 divisors (see below), whose sum is σ = 267769584. Its totient is φ = 197303820.

The previous prime is 230187809. The next prime is 230187863. The reversal of 230187839 is 938781032.

It is not a de Polignac number, because 230187839 - 2¹⁶ = 230122303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230187796 and 230187805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230187809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2348807 + ... + 2348904.

It is an arithmetic number, because the mean of its divisors is an integer number (44628264).

Almost surely, 2^230187839 is an apocalyptic number.

230187839 is a deficient number, since it is larger than the sum of its proper divisors (37581745).

230187839 is an equidigital number, since it uses as much as digits as its factorization.

230187839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697725 (or 4697718 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 230187839 is about 15171.9424926408. The cubic root of 230187839 is about 612.8593157012.

The spelling of 230187839 in words is "two hundred thirty million, one hundred eighty-seven thousand, eight hundred thirty-nine".