313444243223 has 2 divisors, whose sum is σ = 313444243224. Its totient is φ = 313444243222.

The previous prime is 313444243219. The next prime is 313444243283. The reversal of 313444243223 is 322342444313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313444243223 - 2² = 313444243219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313444243283) 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, 156722121611 + 156722121612.

It is an arithmetic number, because the mean of its divisors is an integer number (156722121612).

Almost surely, 2^313444243223 is an apocalyptic number.

313444243223 is a deficient number, since it is larger than the sum of its proper divisors (1).

313444243223 is an equidigital number, since it uses as much as digits as its factorization.

313444243223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 35.

Adding to 313444243223 its reverse (322342444313), we get a palindrome (635786687536).

The spelling of 313444243223 in words is "three hundred thirteen billion, four hundred forty-four million, two hundred forty-three thousand, two hundred twenty-three".