304223053 has 2 divisors, whose sum is σ = 304223054. Its totient is φ = 304223052.

The previous prime is 304223027. The next prime is 304223063. The reversal of 304223053 is 350322403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292649449 + 11573604 = 17107^2 + 3402^2 .

It is a cyclic number.

It is not a de Polignac number, because 304223053 - 2¹³ = 304214861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304223063) 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, 152111526 + 152111527.

It is an arithmetic number, because the mean of its divisors is an integer number (152111527).

Almost surely, 2^304223053 is an apocalyptic number.

It is an amenable number.

304223053 is a deficient number, since it is larger than the sum of its proper divisors (1).

304223053 is an equidigital number, since it uses as much as digits as its factorization.

304223053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 304223053 is about 17441.9910847357. The cubic root of 304223053 is about 672.5594926247.

Adding to 304223053 its reverse (350322403), we get a palindrome (654545456).

The spelling of 304223053 in words is "three hundred four million, two hundred twenty-three thousand, fifty-three".