230312 has 8 divisors (see below), whose sum is σ = 431850. Its totient is φ = 115152.

The previous prime is 230311. The next prime is 230327. The reversal of 230312 is 213032.

It can be written as a sum of positive squares in only one way, i.e., 155236 + 75076 = 394^2 + 274^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 230293 and 230302.

It is not an unprimeable number, because it can be changed into a prime (230311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14387 + ... + 14402.

2²³⁰³¹² is an apocalyptic number.

It is an amenable number.

230312 is a deficient number, since it is larger than the sum of its proper divisors (201538).

230312 is a wasteful number, since it uses less digits than its factorization.

230312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28795 (or 28791 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 230312 is about 479.9083245788. The cubic root of 230312 is about 61.2969485941.

Adding to 230312 its reverse (213032), we get a palindrome (443344).

The spelling of 230312 in words is "two hundred thirty thousand, three hundred twelve".