200003421143 has 4 divisors (see below), whose sum is σ = 204881553408. Its totient is φ = 195125288880.

The previous prime is 200003421127. The next prime is 200003421157. The reversal of 200003421143 is 341124300002.

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 200003421143 - 2⁴ = 200003421127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200003321143) 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, 2439066071 + ... + 2439066152.

It is an arithmetic number, because the mean of its divisors is an integer number (51220388352).

Almost surely, 2^200003421143 is an apocalyptic number.

200003421143 is a deficient number, since it is larger than the sum of its proper divisors (4878132265).

200003421143 is an equidigital number, since it uses as much as digits as its factorization.

200003421143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878132264.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 200003421143 its reverse (341124300002), we get a palindrome (541127721145).

The spelling of 200003421143 in words is "two hundred billion, three million, four hundred twenty-one thousand, one hundred forty-three".