243143434112 has 32 divisors (see below), whose sum is σ = 509881384200. Its totient is φ = 115173204480.

The previous prime is 243143434091. The next prime is 243143434129. The reversal of 243143434112 is 211434341342.

243143434112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49985939 + ... + 49990802.

Almost surely, 2^243143434112 is an apocalyptic number.

It is an amenable number.

243143434112 is an abundant number, since it is smaller than the sum of its proper divisors (266737950088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243143434112 is an equidigital number, since it uses as much as digits as its factorization.

243143434112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99976774 (or 99976762 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 243143434112 its reverse (211434341342), we get a palindrome (454577775454).

The spelling of 243143434112 in words is "two hundred forty-three billion, one hundred forty-three million, four hundred thirty-four thousand, one hundred twelve".