243343111441 has 8 divisors (see below), whose sum is σ = 258992428104. Its totient is φ = 227842129920.

The previous prime is 243343111411. The next prime is 243343111471. The reversal of 243343111441 is 144111343342.

It is an interprime number because it is at equal distance from previous prime (243343111411) and next prime (243343111471).

It can be written as a sum of positive squares in 4 ways, for example, as 100443991041 + 142899120400 = 316929^2 + 378020^2 .

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 243343111441 - 2⁵ = 243343111409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243343111411) 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, 37080400 + ... + 37086961.

It is an arithmetic number, because the mean of its divisors is an integer number (32374053513).

Almost surely, 2^243343111441 is an apocalyptic number.

It is an amenable number.

243343111441 is a deficient number, since it is larger than the sum of its proper divisors (15649316663).

243343111441 is a wasteful number, since it uses less digits than its factorization.

243343111441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74167571.

The product of its digits is 13824, while the sum is 31.

Adding to 243343111441 its reverse (144111343342), we get a palindrome (387454454783).

The spelling of 243343111441 in words is "two hundred forty-three billion, three hundred forty-three million, one hundred eleven thousand, four hundred forty-one".