230509659 has 4 divisors (see below), whose sum is σ = 307346216. Its totient is φ = 153673104.

The previous prime is 230509651. The next prime is 230509663. The reversal of 230509659 is 956905032.

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

It is not a de Polignac number, because 230509659 - 2³ = 230509651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230509651) 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 3 ways as a sum of consecutive naturals, for example, 38418274 + ... + 38418279.

It is an arithmetic number, because the mean of its divisors is an integer number (76836554).

Almost surely, 2^230509659 is an apocalyptic number.

230509659 is a deficient number, since it is larger than the sum of its proper divisors (76836557).

230509659 is an equidigital number, since it uses as much as digits as its factorization.

230509659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76836556.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 230509659 is about 15182.5445495806. The cubic root of 230509659 is about 613.1447905882.

The spelling of 230509659 in words is "two hundred thirty million, five hundred nine thousand, six hundred fifty-nine".