230143985 has 8 divisors (see below), whose sum is σ = 279669120. Its totient is φ = 181784304.

The previous prime is 230143981. The next prime is 230143993. The reversal of 230143985 is 589341032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230143985 - 2² = 230143981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230143981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290927 + ... + 291716.

It is an arithmetic number, because the mean of its divisors is an integer number (34958640).

Almost surely, 2^230143985 is an apocalyptic number.

It is an amenable number.

230143985 is a deficient number, since it is larger than the sum of its proper divisors (49525135).

230143985 is an equidigital number, since it uses as much as digits as its factorization.

230143985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582727.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 230143985 is about 15170.4971902703. The cubic root of 230143985 is about 612.8203938081.

The spelling of 230143985 in words is "two hundred thirty million, one hundred forty-three thousand, nine hundred eighty-five".