200043020421243 has 12 divisors (see below), whose sum is σ = 288967950198928. Its totient is φ = 133354204059600.

The previous prime is 200043020421203. The next prime is 200043020421259. The reversal of 200043020421243 is 342124020340002.

200043020421243 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 430 + 204 + 2 + 1 + 24 + 3 = 666.

It is not a de Polignac number, because 200043020421243 - 2⁸ = 200043020420987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200043020421203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 650633983 + ... + 650941368.

Almost surely, 2^{200043020421243} is an apocalyptic number.

200043020421243 is a deficient number, since it is larger than the sum of its proper divisors (88924929777685).

200043020421243 is a wasteful number, since it uses less digits than its factorization.

200043020421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301592434 (or 1301592431 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 200043020421243 its reverse (342124020340002), we get a palindrome (542167040761245).

The spelling of 200043020421243 in words is "two hundred trillion, forty-three billion, twenty million, four hundred twenty-one thousand, two hundred forty-three".