43040022243 has 4 divisors (see below), whose sum is σ = 57386696328. Its totient is φ = 28693348160.

The previous prime is 43040022241. The next prime is 43040022269. The reversal of 43040022243 is 34222004034.

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 43040022243 - 2¹ = 43040022241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43040022241) 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, 7173337038 + ... + 7173337043.

It is an arithmetic number, because the mean of its divisors is an integer number (14346674082).

Almost surely, 2^43040022243 is an apocalyptic number.

43040022243 is a deficient number, since it is larger than the sum of its proper divisors (14346674085).

43040022243 is a wasteful number, since it uses less digits than its factorization.

43040022243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14346674084.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 43040022243 its reverse (34222004034), we get a palindrome (77262026277).

The spelling of 43040022243 in words is "forty-three billion, forty million, twenty-two thousand, two hundred forty-three".