304036223 has 2 divisors, whose sum is σ = 304036224. Its totient is φ = 304036222.

The previous prime is 304036219. The next prime is 304036231. The reversal of 304036223 is 322630403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 304036223 - 2² = 304036219 is a prime.

It is a super-2 number, since 2×304036223² = 184876049792211458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304036253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152018111 + 152018112.

It is an arithmetic number, because the mean of its divisors is an integer number (152018112).

Almost surely, 2^304036223 is an apocalyptic number.

304036223 is a deficient number, since it is larger than the sum of its proper divisors (1).

304036223 is an equidigital number, since it uses as much as digits as its factorization.

304036223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 304036223 is about 17436.6345089871. The cubic root of 304036223 is about 672.4217866226.

Adding to 304036223 its reverse (322630403), we get a palindrome (626666626).

The spelling of 304036223 in words is "three hundred four million, thirty-six thousand, two hundred twenty-three".