243024143 has 2 divisors, whose sum is σ = 243024144. Its totient is φ = 243024142.

The previous prime is 243024139. The next prime is 243024149. The reversal of 243024143 is 341420342.

243024143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243024143 - 2² = 243024139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243024149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121512071 + 121512072.

It is an arithmetic number, because the mean of its divisors is an integer number (121512072).

Almost surely, 2^243024143 is an apocalyptic number.

243024143 is a deficient number, since it is larger than the sum of its proper divisors (1).

243024143 is an equidigital number, since it uses as much as digits as its factorization.

243024143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 243024143 is about 15589.2316359723. The cubic root of 243024143 is about 624.0458126772.

Adding to 243024143 its reverse (341420342), we get a palindrome (584444485).

The spelling of 243024143 in words is "two hundred forty-three million, twenty-four thousand, one hundred forty-three".