304223 has 2 divisors, whose sum is σ = 304224. Its totient is φ = 304222.

The previous prime is 304217. The next prime is 304253. The reversal of 304223 is 322403.

It is a weak prime.

It is an emirp because it is prime and its reverse (322403) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304198 and 304207.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 304223.

It is not a weakly prime, because it can be changed into another prime (304253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152111 + 152112.

It is an arithmetic number, because the mean of its divisors is an integer number (152112).

2³⁰⁴²²³ is an apocalyptic number.

304223 is a deficient number, since it is larger than the sum of its proper divisors (1).

304223 is an equidigital number, since it uses as much as digits as its factorization.

304223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 304223 is about 551.5641395160. The cubic root of 304223 is about 67.2559453568.

Adding to 304223 its reverse (322403), we get a palindrome (626626).

The spelling of 304223 in words is "three hundred four thousand, two hundred twenty-three", and thus it is an iban number.