304431023 has 12 divisors (see below), whose sum is σ = 332869680. Its totient is φ = 278269056.

The previous prime is 304430963. The next prime is 304431047. The reversal of 304431023 is 320134403.

It is not a de Polignac number, because 304431023 - 2⁸ = 304430767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304430986 and 304431004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304431073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8663 + ... + 26151.

It is an arithmetic number, because the mean of its divisors is an integer number (27739140).

Almost surely, 2^304431023 is an apocalyptic number.

304431023 is a deficient number, since it is larger than the sum of its proper divisors (28438657).

304431023 is a wasteful number, since it uses less digits than its factorization.

304431023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17618 (or 17605 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 304431023 is about 17447.9518282233. The cubic root of 304431023 is about 672.7127139051.

Adding to 304431023 its reverse (320134403), we get a palindrome (624565426).

The spelling of 304431023 in words is "three hundred four million, four hundred thirty-one thousand, twenty-three".