230405312 has 28 divisors (see below), whose sum is σ = 459202536. Its totient is φ = 114700800.

The previous prime is 230405303. The next prime is 230405333. The reversal of 230405312 is 213504032.

It is a happy number.

It is a pancake number, because a pancake can be divided into 230405312 parts by 21466 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7187 + ... + 22637.

Almost surely, 2^230405312 is an apocalyptic number.

It is an amenable number.

230405312 is a deficient number, since it is larger than the sum of its proper divisors (228797224).

230405312 is a wasteful number, since it uses less digits than its factorization.

230405312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15696 (or 15686 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230405312 is about 15179.1077471635. The cubic root of 230405312 is about 613.0522572626.

Adding to 230405312 its reverse (213504032), we get a palindrome (443909344).

The spelling of 230405312 in words is "two hundred thirty million, four hundred five thousand, three hundred twelve".