43013040423443 has 4 divisors (see below), whose sum is σ = 44175555029520. Its totient is φ = 41850525817368.

The previous prime is 43013040423413. The next prime is 43013040423499. The reversal of 43013040423443 is 34432404031034.

43013040423443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43013040423443 - 2¹⁶ = 43013040357907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43013040423413) 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 in 3 ways as a sum of consecutive naturals, for example, 581257302983 + ... + 581257303056.

It is an arithmetic number, because the mean of its divisors is an integer number (11043888757380).

Almost surely, 2^{43013040423443} is an apocalyptic number.

43013040423443 is a deficient number, since it is larger than the sum of its proper divisors (1162514606077).

43013040423443 is a wasteful number, since it uses less digits than its factorization.

43013040423443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162514606076.

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

Adding to 43013040423443 its reverse (34432404031034), we get a palindrome (77445444454477).

The spelling of 43013040423443 in words is "forty-three trillion, thirteen billion, forty million, four hundred twenty-three thousand, four hundred forty-three".