13443043 has 4 divisors (see below), whose sum is σ = 13454208. Its totient is φ = 13431880.

The previous prime is 13443011. The next prime is 13443049. The reversal of 13443043 is 34034431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34034431 = 149 ⋅228419.

It is a cyclic number.

It is not a de Polignac number, because 13443043 - 2⁵ = 13443011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13443049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523 + ... + 6268.

It is an arithmetic number, because the mean of its divisors is an integer number (3363552).

Almost surely, 2^13443043 is an apocalyptic number.

13443043 is a deficient number, since it is larger than the sum of its proper divisors (11165).

13443043 is an equidigital number, since it uses as much as digits as its factorization.

13443043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11164.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 13443043 is about 3666.4755556256. The cubic root of 13443043 is about 237.7748205605.

Adding to 13443043 its reverse (34034431), we get a palindrome (47477474).

The spelling of 13443043 in words is "thirteen million, four hundred forty-three thousand, forty-three".