243035144347 has 2 divisors, whose sum is σ = 243035144348. Its totient is φ = 243035144346.

The previous prime is 243035144291. The next prime is 243035144389. The reversal of 243035144347 is 743441530342.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243035144347 is a prime.

It is not a weakly prime, because it can be changed into another prime (243035144147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121517572173 + 121517572174.

It is an arithmetic number, because the mean of its divisors is an integer number (121517572174).

Almost surely, 2^243035144347 is an apocalyptic number.

243035144347 is a deficient number, since it is larger than the sum of its proper divisors (1).

243035144347 is an equidigital number, since it uses as much as digits as its factorization.

243035144347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 40.

Adding to 243035144347 its reverse (743441530342), we get a palindrome (986476674689).

The spelling of 243035144347 in words is "two hundred forty-three billion, thirty-five million, one hundred forty-four thousand, three hundred forty-seven".