243231132343 has 8 divisors (see below), whose sum is σ = 245530814400. Its totient is φ = 240940347360.

The previous prime is 243231132299. The next prime is 243231132349. The reversal of 243231132343 is 343231132342.

It is a happy number.

243231132343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243231132343 - 2⁹ = 243231131831 is a prime.

It is a super-2 number, since 2×243231132343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243231132349) 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 7 ways as a sum of consecutive naturals, for example, 2169328 + ... + 2278693.

It is an arithmetic number, because the mean of its divisors is an integer number (30691351800).

Almost surely, 2^243231132343 is an apocalyptic number.

243231132343 is a deficient number, since it is larger than the sum of its proper divisors (2299682057).

243231132343 is a wasteful number, since it uses less digits than its factorization.

243231132343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448537.

The product of its digits is 31104, while the sum is 31.

Adding to 243231132343 its reverse (343231132342), we get a palindrome (586462264685).

Subtracting 243231132343 from its reverse (343231132342), we obtain a palindrome (99999999999).

The spelling of 243231132343 in words is "two hundred forty-three billion, two hundred thirty-one million, one hundred thirty-two thousand, three hundred forty-three".