13443023441 has 2 divisors, whose sum is σ = 13443023442. Its totient is φ = 13443023440.

The previous prime is 13443023437. The next prime is 13443023449. The reversal of 13443023441 is 14432034431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9293731216 + 4149292225 = 96404^2 + 64415^2 .

It is an emirp because it is prime and its reverse (14432034431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13443023441 - 2² = 13443023437 is a prime.

It is not a weakly prime, because it can be changed into another prime (13443023449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721511720 + 6721511721.

It is an arithmetic number, because the mean of its divisors is an integer number (6721511721).

Almost surely, 2^13443023441 is an apocalyptic number.

It is an amenable number.

13443023441 is a deficient number, since it is larger than the sum of its proper divisors (1).

13443023441 is an equidigital number, since it uses as much as digits as its factorization.

13443023441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13443023441 its reverse (14432034431), we get a palindrome (27875057872).

The spelling of 13443023441 in words is "thirteen billion, four hundred forty-three million, twenty-three thousand, four hundred forty-one".