230240312 has 8 divisors (see below), whose sum is σ = 431700600. Its totient is φ = 115120152.

The previous prime is 230240303. The next prime is 230240323. The reversal of 230240312 is 213042032.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14390012 + ... + 14390027.

It is an arithmetic number, because the mean of its divisors is an integer number (53962575).

Almost surely, 2^230240312 is an apocalyptic number.

It is an amenable number.

230240312 is a deficient number, since it is larger than the sum of its proper divisors (201460288).

230240312 is a wasteful number, since it uses less digits than its factorization.

230240312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28780045 (or 28780041 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 230240312 is about 15173.6716716818. The cubic root of 230240312 is about 612.9058807496.

Adding to 230240312 its reverse (213042032), we get a palindrome (443282344).

The spelling of 230240312 in words is "two hundred thirty million, two hundred forty thousand, three hundred twelve".