243442143223311 has 8 divisors (see below), whose sum is σ = 324596134874880. Its totient is φ = 162291456860312.

The previous prime is 243442143223297. The next prime is 243442143223339. The reversal of 243442143223311 is 113322341244342.

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 243442143223311 - 2⁷ = 243442143223183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243442143223311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243442143224311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826150281 + ... + 826444898.

It is an arithmetic number, because the mean of its divisors is an integer number (40574516859360).

Almost surely, 2^{243442143223311} is an apocalyptic number.

243442143223311 is a deficient number, since it is larger than the sum of its proper divisors (81153991651569).

243442143223311 is a wasteful number, since it uses less digits than its factorization.

243442143223311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652644285.

The product of its digits is 331776, while the sum is 39.

Adding to 243442143223311 its reverse (113322341244342), we get a palindrome (356764484467653).

The spelling of 243442143223311 in words is "two hundred forty-three trillion, four hundred forty-two billion, one hundred forty-three million, two hundred twenty-three thousand, three hundred eleven".