305043205223 has 2 divisors, whose sum is σ = 305043205224. Its totient is φ = 305043205222.

The previous prime is 305043205211. The next prime is 305043205237. The reversal of 305043205223 is 322502340503.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305043205223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305043705223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152521602611 + 152521602612.

It is an arithmetic number, because the mean of its divisors is an integer number (152521602612).

Almost surely, 2^305043205223 is an apocalyptic number.

305043205223 is a deficient number, since it is larger than the sum of its proper divisors (1).

305043205223 is an equidigital number, since it uses as much as digits as its factorization.

305043205223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 305043205223 its reverse (322502340503), we get a palindrome (627545545726).

The spelling of 305043205223 in words is "three hundred five billion, forty-three million, two hundred five thousand, two hundred twenty-three".