243411140443 has 4 divisors (see below), whose sum is σ = 257729442840. Its totient is φ = 229092838048.

The previous prime is 243411140419. The next prime is 243411140473. The reversal of 243411140443 is 344041114342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344041114342 = 2 ⋅172020557171.

It is a cyclic number.

It is not a de Polignac number, because 243411140443 - 2⁹ = 243411139931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243411140473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7159151173 + ... + 7159151206.

It is an arithmetic number, because the mean of its divisors is an integer number (64432360710).

Almost surely, 2^243411140443 is an apocalyptic number.

243411140443 is a deficient number, since it is larger than the sum of its proper divisors (14318302397).

243411140443 is a wasteful number, since it uses less digits than its factorization.

243411140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14318302396.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 243411140443 its reverse (344041114342), we get a palindrome (587452254785).

The spelling of 243411140443 in words is "two hundred forty-three billion, four hundred eleven million, one hundred forty thousand, four hundred forty-three".