230717985 has 16 divisors (see below), whose sum is σ = 371192640. Its totient is φ = 122368320.

The previous prime is 230717953. The next prime is 230718023. The reversal of 230717985 is 589717032.

It is not a de Polignac number, because 230717985 - 2⁵ = 230717953 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39775 + ... + 45204.

It is an arithmetic number, because the mean of its divisors is an integer number (23199540).

Almost surely, 2^230717985 is an apocalyptic number.

It is an amenable number.

230717985 is a deficient number, since it is larger than the sum of its proper divisors (140474655).

230717985 is a wasteful number, since it uses less digits than its factorization.

230717985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85168.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 230717985 is about 15189.4037078484. The cubic root of 230717985 is about 613.3294474063.

The spelling of 230717985 in words is "two hundred thirty million, seven hundred seventeen thousand, nine hundred eighty-five".