43122343243 has 4 divisors (see below), whose sum is σ = 49282678000. Its totient is φ = 36962008488.

The previous prime is 43122343223. The next prime is 43122343267. The reversal of 43122343243 is 34234322134.

It is a happy number.

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 43122343243 - 2²⁵ = 43088788811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43122343223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3080167368 + ... + 3080167381.

It is an arithmetic number, because the mean of its divisors is an integer number (12320669500).

Almost surely, 2^43122343243 is an apocalyptic number.

43122343243 is a deficient number, since it is larger than the sum of its proper divisors (6160334757).

43122343243 is an equidigital number, since it uses as much as digits as its factorization.

43122343243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160334756.

The product of its digits is 41472, while the sum is 31.

Adding to 43122343243 its reverse (34234322134), we get a palindrome (77356665377).

The spelling of 43122343243 in words is "forty-three billion, one hundred twenty-two million, three hundred forty-three thousand, two hundred forty-three".