13443112043 has 2 divisors, whose sum is σ = 13443112044. Its totient is φ = 13443112042.

The previous prime is 13443112003. The next prime is 13443112069. The reversal of 13443112043 is 34021134431.

It is a happy number.

It is an a-pointer prime, because the next prime (13443112069) can be obtained adding 13443112043 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13443112043 - 2¹² = 13443107947 is a prime.

It is a super-2 number, since 2×13443112043² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13443112003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721556021 + 6721556022.

It is an arithmetic number, because the mean of its divisors is an integer number (6721556022).

Almost surely, 2^13443112043 is an apocalyptic number.

13443112043 is a deficient number, since it is larger than the sum of its proper divisors (1).

13443112043 is an equidigital number, since it uses as much as digits as its factorization.

13443112043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13443112043 its reverse (34021134431), we get a palindrome (47464246474).

The spelling of 13443112043 in words is "thirteen billion, four hundred forty-three million, one hundred twelve thousand, forty-three".