230285018 has 4 divisors (see below), whose sum is σ = 345427530. Its totient is φ = 115142508.

The previous prime is 230285017. The next prime is 230285023. The reversal of 230285018 is 810582032.

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

It can be written as a sum of positive squares in only one way, i.e., 229916569 + 368449 = 15163^2 + 607^2 .

It is not an unprimeable number, because it can be changed into a prime (230285017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57571253 + ... + 57571256.

Almost surely, 2^230285018 is an apocalyptic number.

230285018 is a deficient number, since it is larger than the sum of its proper divisors (115142512).

230285018 is a wasteful number, since it uses less digits than its factorization.

230285018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115142511.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 230285018 is about 15175.1447439555. The cubic root of 230285018 is about 612.9455477057.

The spelling of 230285018 in words is "two hundred thirty million, two hundred eighty-five thousand, eighteen".