243143434132 has 12 divisors (see below), whose sum is σ = 434554223040. Its totient is φ = 118985084696.

The previous prime is 243143434129. The next prime is 243143434141. The reversal of 243143434132 is 231434341342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646657882 + ... + 646658257.

It is an arithmetic number, because the mean of its divisors is an integer number (36212851920).

Almost surely, 2^243143434132 is an apocalyptic number.

It is an amenable number.

243143434132 is a deficient number, since it is larger than the sum of its proper divisors (191410788908).

243143434132 is a wasteful number, since it uses less digits than its factorization.

243143434132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293316190 (or 1293316188 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

Adding to 243143434132 its reverse (231434341342), we get a palindrome (474577775474).

It can be divided in two parts, 2 and 43143434132, that added together give a palindrome (43143434134).

The spelling of 243143434132 in words is "two hundred forty-three billion, one hundred forty-three million, four hundred thirty-four thousand, one hundred thirty-two".