230339191 has 4 divisors (see below), whose sum is σ = 230396752. Its totient is φ = 230281632.

The previous prime is 230339183. The next prime is 230339201. The reversal of 230339191 is 191933032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230339191 - 2³ = 230339183 is a prime.

It is a super-2 number, since 2×230339191² = 106112285821068962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230339891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22290 + ... + 30943.

It is an arithmetic number, because the mean of its divisors is an integer number (57599188).

Almost surely, 2^230339191 is an apocalyptic number.

230339191 is a deficient number, since it is larger than the sum of its proper divisors (57561).

230339191 is an equidigital number, since it uses as much as digits as its factorization.

230339191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57560.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 230339191 is about 15176.9295643091. The cubic root of 230339191 is about 612.9936077083.

The spelling of 230339191 in words is "two hundred thirty million, three hundred thirty-nine thousand, one hundred ninety-one".