204300443411243 has 4 divisors (see below), whose sum is σ = 204301245029808. Its totient is φ = 204299641792680.

The previous prime is 204300443411167. The next prime is 204300443411293. The reversal of 204300443411243 is 342114344003402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204300443411243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204300443411293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400426871 + ... + 400936752.

It is an arithmetic number, because the mean of its divisors is an integer number (51075311257452).

Almost surely, 2^{204300443411243} is an apocalyptic number.

204300443411243 is a deficient number, since it is larger than the sum of its proper divisors (801618565).

204300443411243 is an equidigital number, since it uses as much as digits as its factorization.

204300443411243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801618564.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 204300443411243 its reverse (342114344003402), we get a palindrome (546414787414645).

The spelling of 204300443411243 in words is "two hundred four trillion, three hundred billion, four hundred forty-three million, four hundred eleven thousand, two hundred forty-three".