13443444323 has 2 divisors, whose sum is σ = 13443444324. Its totient is φ = 13443444322.

The previous prime is 13443444307. The next prime is 13443444349. The reversal of 13443444323 is 32344434431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13443444323 - 2⁴ = 13443444307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13443444373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721722161 + 6721722162.

It is an arithmetic number, because the mean of its divisors is an integer number (6721722162).

Almost surely, 2^13443444323 is an apocalyptic number.

13443444323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13443444323 is an equidigital number, since it uses as much as digits as its factorization.

13443444323 is an evil number, because the sum of its binary digits is even.

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

Adding to 13443444323 its reverse (32344434431), we get a palindrome (45787878754).

The spelling of 13443444323 in words is "thirteen billion, four hundred forty-three million, four hundred forty-four thousand, three hundred twenty-three".