304423312 has 20 divisors (see below), whose sum is σ = 592820316. Its totient is φ = 151437440.

The previous prime is 304423307. The next prime is 304423313. The reversal of 304423312 is 213324403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 145057936 + 159365376 = 12044^2 + 12624^2 .

It is not an unprimeable number, because it can be changed into a prime (304423313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45139 + ... + 51442.

Almost surely, 2^304423312 is an apocalyptic number.

It is an amenable number.

304423312 is a deficient number, since it is larger than the sum of its proper divisors (288397004).

304423312 is a wasteful number, since it uses less digits than its factorization.

304423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96786 (or 96780 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 304423312 is about 17447.7308553290. The cubic root of 304423312 is about 672.7070340946.

Adding to 304423312 its reverse (213324403), we get a palindrome (517747715).

The spelling of 304423312 in words is "three hundred four million, four hundred twenty-three thousand, three hundred twelve".