304223263 has 2 divisors, whose sum is σ = 304223264. Its totient is φ = 304223262.

The previous prime is 304223221. The next prime is 304223273. The reversal of 304223263 is 362322403.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304223263 - 2²⁵ = 270668831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304223203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152111631 + 152111632.

It is an arithmetic number, because the mean of its divisors is an integer number (152111632).

Almost surely, 2^304223263 is an apocalyptic number.

304223263 is a deficient number, since it is larger than the sum of its proper divisors (1).

304223263 is an equidigital number, since it uses as much as digits as its factorization.

304223263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 304223263 is about 17441.9971046896. The cubic root of 304223263 is about 672.5596473768.

Adding to 304223263 its reverse (362322403), we get a palindrome (666545666).

The spelling of 304223263 in words is "three hundred four million, two hundred twenty-three thousand, two hundred sixty-three".