243204232143 has 8 divisors (see below), whose sum is σ = 327302892288. Its totient is φ = 160620863384.

The previous prime is 243204232133. The next prime is 243204232169. The reversal of 243204232143 is 341232402342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243204232143 - 2⁹ = 243204231631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243204232143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243204232133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378822471 + ... + 378823112.

It is an arithmetic number, because the mean of its divisors is an integer number (40912861536).

Almost surely, 2^243204232143 is an apocalyptic number.

243204232143 is a deficient number, since it is larger than the sum of its proper divisors (84098660145).

243204232143 is a wasteful number, since it uses less digits than its factorization.

243204232143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757645693.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243204232143 its reverse (341232402342), we get a palindrome (584436634485).

The spelling of 243204232143 in words is "two hundred forty-three billion, two hundred four million, two hundred thirty-two thousand, one hundred forty-three".