243223324201 has 16 divisors (see below), whose sum is σ = 285797957760. Its totient is φ = 204065579520.

The previous prime is 243223324199. The next prime is 243223324277. The reversal of 243223324201 is 102423322342.

It is not a de Polignac number, because 243223324201 - 2¹ = 243223324199 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 243223324201.

It is not an unprimeable number, because it can be changed into a prime (243223324291) 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, 628281 + ... + 938713.

It is an arithmetic number, because the mean of its divisors is an integer number (17862372360).

Almost surely, 2^243223324201 is an apocalyptic number.

It is an amenable number.

243223324201 is a deficient number, since it is larger than the sum of its proper divisors (42574633559).

243223324201 is a wasteful number, since it uses less digits than its factorization.

243223324201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315936.

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

Adding to 243223324201 its reverse (102423322342), we get a palindrome (345646646543).

The spelling of 243223324201 in words is "two hundred forty-three billion, two hundred twenty-three million, three hundred twenty-four thousand, two hundred one".