304023442321 has 2 divisors, whose sum is σ = 304023442322. Its totient is φ = 304023442320.

The previous prime is 304023442319. The next prime is 304023442343. The reversal of 304023442321 is 123244320403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276313179025 + 27710263296 = 525655^2 + 166464^2 .

It is a cyclic number.

It is not a de Polignac number, because 304023442321 - 2¹ = 304023442319 is a prime.

Together with 304023442319, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 304023442321.

It is not a weakly prime, because it can be changed into another prime (304023442361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152011721160 + 152011721161.

It is an arithmetic number, because the mean of its divisors is an integer number (152011721161).

Almost surely, 2^304023442321 is an apocalyptic number.

It is an amenable number.

304023442321 is a deficient number, since it is larger than the sum of its proper divisors (1).

304023442321 is an equidigital number, since it uses as much as digits as its factorization.

304023442321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 304023442321 its reverse (123244320403), we get a palindrome (427267762724).

The spelling of 304023442321 in words is "three hundred four billion, twenty-three million, four hundred forty-two thousand, three hundred twenty-one".