243140424143 has 2 divisors, whose sum is σ = 243140424144. Its totient is φ = 243140424142.

The previous prime is 243140424089. The next prime is 243140424203. The reversal of 243140424143 is 341424041342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243140424143 - 2⁸ = 243140423887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243140424743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121570212071 + 121570212072.

It is an arithmetic number, because the mean of its divisors is an integer number (121570212072).

Almost surely, 2^243140424143 is an apocalyptic number.

243140424143 is a deficient number, since it is larger than the sum of its proper divisors (1).

243140424143 is an equidigital number, since it uses as much as digits as its factorization.

243140424143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 243140424143 its reverse (341424041342), we get a palindrome (584564465485).

The spelling of 243140424143 in words is "two hundred forty-three billion, one hundred forty million, four hundred twenty-four thousand, one hundred forty-three".