43340443043 has 2 divisors, whose sum is σ = 43340443044. Its totient is φ = 43340443042.

The previous prime is 43340443019. The next prime is 43340443051. The reversal of 43340443043 is 34034404334.

43340443043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43340443043 - 2¹⁸ = 43340180899 is a prime.

It is not a weakly prime, because it can be changed into another prime (43340443243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21670221521 + 21670221522.

It is an arithmetic number, because the mean of its divisors is an integer number (21670221522).

Almost surely, 2^43340443043 is an apocalyptic number.

43340443043 is a deficient number, since it is larger than the sum of its proper divisors (1).

43340443043 is an equidigital number, since it uses as much as digits as its factorization.

43340443043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 43340443043 its reverse (34034404334), we get a palindrome (77374847377).

The spelling of 43340443043 in words is "forty-three billion, three hundred forty million, four hundred forty-three thousand, forty-three".