243203002234201 has 16 divisors (see below), whose sum is σ = 266931227399040. Its totient is φ = 220553835147520.

The previous prime is 243203002234123. The next prime is 243203002234207. The reversal of 243203002234201 is 102432200302342.

It is a cyclic number.

It is not a de Polignac number, because 243203002234201 - 2⁹ = 243203002233689 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 243203002234201.

It is not an unprimeable number, because it can be changed into a prime (243203002234207) 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, 502112701 + ... + 502596826.

It is an arithmetic number, because the mean of its divisors is an integer number (16683201712440).

Almost surely, 2^{243203002234201} is an apocalyptic number.

It is an amenable number.

243203002234201 is a deficient number, since it is larger than the sum of its proper divisors (23728225164839).

243203002234201 is a wasteful number, since it uses less digits than its factorization.

243203002234201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004710064.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 243203002234201 its reverse (102432200302342), we get a palindrome (345635202536543).

The spelling of 243203002234201 in words is "two hundred forty-three trillion, two hundred three billion, two million, two hundred thirty-four thousand, two hundred one".