304203423 has 12 divisors (see below), whose sum is σ = 430868360. Its totient is φ = 190872192.

The previous prime is 304203409. The next prime is 304203439. The reversal of 304203423 is 324302403.

It is not a de Polignac number, because 304203423 - 2⁵ = 304203391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304203423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304203923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174568 + ... + 176301.

Almost surely, 2^304203423 is an apocalyptic number.

304203423 is a deficient number, since it is larger than the sum of its proper divisors (126664937).

304203423 is a wasteful number, since it uses less digits than its factorization.

304203423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350906 (or 350889 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 304203423 is about 17441.4283532055. The cubic root of 304203423 is about 672.5450266743.

Adding to 304203423 its reverse (324302403), we get a palindrome (628505826).

The spelling of 304203423 in words is "three hundred four million, two hundred three thousand, four hundred twenty-three".