230532818 has 16 divisors (see below), whose sum is σ = 382060800. Its totient is φ = 103768896.

The previous prime is 230532817. The next prime is 230532821. The reversal of 230532818 is 818235032.

It is a super-2 number, since 2×230532818² = 106290760350042248, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230532817) 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 7 ways as a sum of consecutive naturals, for example, 146618 + ... + 148181.

It is an arithmetic number, because the mean of its divisors is an integer number (23878800).

Almost surely, 2^230532818 is an apocalyptic number.

230532818 is a deficient number, since it is larger than the sum of its proper divisors (151527982).

230532818 is a wasteful number, since it uses less digits than its factorization.

230532818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294841.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 230532818 is about 15183.3072154916. The cubic root of 230532818 is about 613.1653238488.

The spelling of 230532818 in words is "two hundred thirty million, five hundred thirty-two thousand, eight hundred eighteen".