204332003243 has 4 divisors (see below), whose sum is σ = 213216003408. Its totient is φ = 195448003080.

The previous prime is 204332003237. The next prime is 204332003273. The reversal of 204332003243 is 342300233402.

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 204332003243 - 2²⁸ = 204063567787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204332003273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4442000048 + ... + 4442000093.

It is an arithmetic number, because the mean of its divisors is an integer number (53304000852).

Almost surely, 2^204332003243 is an apocalyptic number.

204332003243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204332003243 is a deficient number, since it is larger than the sum of its proper divisors (8884000165).

204332003243 is an equidigital number, since it uses as much as digits as its factorization.

204332003243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8884000164.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 204332003243 its reverse (342300233402), we get a palindrome (546632236645).

The spelling of 204332003243 in words is "two hundred four billion, three hundred thirty-two million, three thousand, two hundred forty-three".