304023212 has 12 divisors (see below), whose sum is σ = 532273560. Its totient is φ = 151945056.

The previous prime is 304023193. The next prime is 304023227. The reversal of 304023212 is 212320403.

It is a super-2 number, since 2×304023212² = 184860226869593888, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 5537 + ... + 25272.

It is an arithmetic number, because the mean of its divisors is an integer number (44356130).

Almost surely, 2^304023212 is an apocalyptic number.

It is an amenable number.

304023212 is a deficient number, since it is larger than the sum of its proper divisors (228250348).

304023212 is a wasteful number, since it uses less digits than its factorization.

304023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33280 (or 33278 counting only the distinct ones).

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

The square root of 304023212 is about 17436.2614112085. The cubic root of 304023212 is about 672.4121945587.

Adding to 304023212 its reverse (212320403), we get a palindrome (516343615).

The spelling of 304023212 in words is "three hundred four million, twenty-three thousand, two hundred twelve".