204328571443 has 4 divisors (see below), whose sum is σ = 204330511008. Its totient is φ = 204326631880.

The previous prime is 204328571429. The next prime is 204328571453. The reversal of 204328571443 is 344175823402.

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 204328571443 - 2¹³ = 204328563251 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 204328571443.

It is not an unprimeable number, because it can be changed into a prime (204328571453) 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, 802096 + ... + 1025677.

It is an arithmetic number, because the mean of its divisors is an integer number (51082627752).

Almost surely, 2^204328571443 is an apocalyptic number.

204328571443 is a deficient number, since it is larger than the sum of its proper divisors (1939565).

204328571443 is a wasteful number, since it uses less digits than its factorization.

204328571443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939564.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 204328571443 in words is "two hundred four billion, three hundred twenty-eight million, five hundred seventy-one thousand, four hundred forty-three".