243213242200143 has 16 divisors (see below), whose sum is σ = 324590872566912. Its totient is φ = 161988958404000.

The previous prime is 243213242200111. The next prime is 243213242200151. The reversal of 243213242200143 is 341002242312342.

It is a happy number.

It is not a de Polignac number, because 243213242200143 - 2⁵ = 243213242200111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243213242208143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4594308 + ... + 22528518.

It is an arithmetic number, because the mean of its divisors is an integer number (20286929535432).

Almost surely, 2^{243213242200143} is an apocalyptic number.

243213242200143 is a deficient number, since it is larger than the sum of its proper divisors (81377630366769).

243213242200143 is a wasteful number, since it uses less digits than its factorization.

243213242200143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17938486.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 243213242200143 its reverse (341002242312342), we get a palindrome (584215484512485).

The spelling of 243213242200143 in words is "two hundred forty-three trillion, two hundred thirteen billion, two hundred forty-two million, two hundred thousand, one hundred forty-three".