243432112143 has 32 divisors (see below), whose sum is σ = 362271527424. Its totient is φ = 144154800000.

The previous prime is 243432112141. The next prime is 243432112159. The reversal of 243432112143 is 341211234342.

243432112143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243432112143 - 2¹ = 243432112141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243432112143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243432112141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96468 + ... + 704393.

It is an arithmetic number, because the mean of its divisors is an integer number (11320985232).

Almost surely, 2^243432112143 is an apocalyptic number.

243432112143 is a deficient number, since it is larger than the sum of its proper divisors (118839415281).

243432112143 is a wasteful number, since it uses less digits than its factorization.

243432112143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801087.

The product of its digits is 13824, while the sum is 30.

Adding to 243432112143 its reverse (341211234342), we get a palindrome (584643346485).

The spelling of 243432112143 in words is "two hundred forty-three billion, four hundred thirty-two million, one hundred twelve thousand, one hundred forty-three".