243203241041 has 16 divisors (see below), whose sum is σ = 249645334608. Its totient is φ = 236836454400.

The previous prime is 243203241019. The next prime is 243203241067. The reversal of 243203241041 is 140142302342.

It can be written as a sum of positive squares in 8 ways, for example, as 102668976400 + 140534264641 = 320420^2 + 374879^2 .

It is a cyclic number.

It is not a de Polignac number, because 243203241041 - 2⁶ = 243203240977 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 243203241041.

It is not an unprimeable number, because it can be changed into a prime (243203241641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3795731 + ... + 3859271.

It is an arithmetic number, because the mean of its divisors is an integer number (15602833413).

Almost surely, 2^243203241041 is an apocalyptic number.

It is an amenable number.

243203241041 is a deficient number, since it is larger than the sum of its proper divisors (6442093567).

243203241041 is a wasteful number, since it uses less digits than its factorization.

243203241041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64132.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 243203241041 its reverse (140142302342), we get a palindrome (383345543383).

The spelling of 243203241041 in words is "two hundred forty-three billion, two hundred three million, two hundred forty-one thousand, forty-one".