230666 has 16 divisors (see below), whose sum is σ = 370440. Its totient is φ = 107520.

The previous prime is 230663. The next prime is 230683. The reversal of 230666 is 666032.

230666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 137641 + 93025 = 371^2 + 305^2 .

230666 is a modest number, since divided by 666 gives 230 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2330 + ... + 2426.

2²³⁰⁶⁶⁶ is an apocalyptic number.

230666 is a deficient number, since it is larger than the sum of its proper divisors (139774).

230666 is a wasteful number, since it uses less digits than its factorization.

230666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 230666 is about 480.2770034053. The cubic root of 230666 is about 61.3283379149.

Adding to 230666 its reverse (666032), we get a palindrome (896698).

The spelling of 230666 in words is "two hundred thirty thousand, six hundred sixty-six".