230140312 has 32 divisors (see below), whose sum is σ = 461689200. Its totient is φ = 107222400.

The previous prime is 230140307. The next prime is 230140319. The reversal of 230140312 is 213041032.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230140319) 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, 3139 + ... + 21682.

Almost surely, 2^230140312 is an apocalyptic number.

It is an amenable number.

230140312 is an abundant number, since it is smaller than the sum of its proper divisors (231548888).

230140312 is a wasteful number, since it uses less digits than its factorization.

230140312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24907 (or 24903 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230140312 is about 15170.3761324497. The cubic root of 230140312 is about 612.8171336732.

Adding to 230140312 its reverse (213041032), we get a palindrome (443181344).

The spelling of 230140312 in words is "two hundred thirty million, one hundred forty thousand, three hundred twelve".