230309985 has 16 divisors (see below), whose sum is σ = 368761536. Its totient is φ = 122743488.

The previous prime is 230309983. The next prime is 230309987. The reversal of 230309985 is 589903032.

It is an interprime number because it is at equal distance from previous prime (230309983) and next prime (230309987).

It is not a de Polignac number, because 230309985 - 2¹ = 230309983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230309983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19687 + ... + 29123.

It is an arithmetic number, because the mean of its divisors is an integer number (23047596).

Almost surely, 2^230309985 is an apocalyptic number.

It is an amenable number.

230309985 is a deficient number, since it is larger than the sum of its proper divisors (138451551).

230309985 is a wasteful number, since it uses less digits than its factorization.

230309985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 230309985 is about 15175.9673497277. The cubic root of 230309985 is about 612.9676983122.

The spelling of 230309985 in words is "two hundred thirty million, three hundred nine thousand, nine hundred eighty-five".