43124213243 has 16 divisors (see below), whose sum is σ = 45113548800. Its totient is φ = 41173086240.

The previous prime is 43124213233. The next prime is 43124213281. The reversal of 43124213243 is 34231242134.

It is a cyclic number.

It is not a de Polignac number, because 43124213243 - 2²⁶ = 43057104379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43124213233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3552338 + ... + 3564456.

It is an arithmetic number, because the mean of its divisors is an integer number (2819596800).

Almost surely, 2^43124213243 is an apocalyptic number.

43124213243 is a deficient number, since it is larger than the sum of its proper divisors (1989335557).

43124213243 is a wasteful number, since it uses less digits than its factorization.

43124213243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13682.

The product of its digits is 13824, while the sum is 29.

Adding to 43124213243 its reverse (34231242134), we get a palindrome (77355455377).

The spelling of 43124213243 in words is "forty-three billion, one hundred twenty-four million, two hundred thirteen thousand, two hundred forty-three".