304321120223 has 2 divisors, whose sum is σ = 304321120224. Its totient is φ = 304321120222.

The previous prime is 304321120153. The next prime is 304321120253. The reversal of 304321120223 is 322021123403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304321120223 - 2²² = 304316925919 is a prime.

It is a super-2 number, since 2×304321120223² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304321120253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152160560111 + 152160560112.

It is an arithmetic number, because the mean of its divisors is an integer number (152160560112).

Almost surely, 2^304321120223 is an apocalyptic number.

304321120223 is a deficient number, since it is larger than the sum of its proper divisors (1).

304321120223 is an equidigital number, since it uses as much as digits as its factorization.

304321120223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 304321120223 its reverse (322021123403), we get a palindrome (626342243626).

The spelling of 304321120223 in words is "three hundred four billion, three hundred twenty-one million, one hundred twenty thousand, two hundred twenty-three".