304345430423 has 2 divisors, whose sum is σ = 304345430424. Its totient is φ = 304345430422.

The previous prime is 304345430351. The next prime is 304345430471. The reversal of 304345430423 is 324034543403.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304345430423 is a prime.

It is a super-2 number, since 2×304345430423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304345430723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152172715211 + 152172715212.

It is an arithmetic number, because the mean of its divisors is an integer number (152172715212).

Almost surely, 2^304345430423 is an apocalyptic number.

304345430423 is a deficient number, since it is larger than the sum of its proper divisors (1).

304345430423 is an equidigital number, since it uses as much as digits as its factorization.

304345430423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 35.

Adding to 304345430423 its reverse (324034543403), we get a palindrome (628379973826).

The spelling of 304345430423 in words is "three hundred four billion, three hundred forty-five million, four hundred thirty thousand, four hundred twenty-three".