243033004043203 has 16 divisors (see below), whose sum is σ = 265582821611520. Its totient is φ = 220559487667200.

The previous prime is 243033004043189. The next prime is 243033004043231. The reversal of 243033004043203 is 302340400330342.

It is a de Polignac number, because none of the positive numbers 2^k-243033004043203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243033004043243) 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 15 ways as a sum of consecutive naturals, for example, 7448026 + ... + 23270992.

It is an arithmetic number, because the mean of its divisors is an integer number (16598926350720).

Almost surely, 2^{243033004043203} is an apocalyptic number.

243033004043203 is a deficient number, since it is larger than the sum of its proper divisors (22549817568317).

243033004043203 is a wasteful number, since it uses less digits than its factorization.

243033004043203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15825378.

The product of its (nonzero) digits is 62208, while the sum is 31.

Adding to 243033004043203 its reverse (302340400330342), we get a palindrome (545373404373545).

The spelling of 243033004043203 in words is "two hundred forty-three trillion, thirty-three billion, four million, forty-three thousand, two hundred three".