43002012043 has 4 divisors (see below), whose sum is σ = 43123831128. Its totient is φ = 42880192960.

The previous prime is 43002011993. The next prime is 43002012121. The reversal of 43002012043 is 34021020034.

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 43002012043 - 2⁹ = 43002011531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43002012043.

It is not an unprimeable number, because it can be changed into a prime (43002010043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60909013 + ... + 60909718.

It is an arithmetic number, because the mean of its divisors is an integer number (10780957782).

Almost surely, 2^43002012043 is an apocalyptic number.

43002012043 is a deficient number, since it is larger than the sum of its proper divisors (121819085).

43002012043 is a wasteful number, since it uses less digits than its factorization.

43002012043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121819084.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 43002012043 its reverse (34021020034), we get a palindrome (77023032077).

The spelling of 43002012043 in words is "forty-three billion, two million, twelve thousand, forty-three".