243120143041 has 2 divisors, whose sum is σ = 243120143042. Its totient is φ = 243120143040.

The previous prime is 243120143039. The next prime is 243120143053. The reversal of 243120143041 is 140341021342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224657040400 + 18463102641 = 473980^2 + 135879^2 .

It is a cyclic number.

It is not a de Polignac number, because 243120143041 - 2¹ = 243120143039 is a prime.

Together with 243120143039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 243120142997 and 243120143015.

It is not a weakly prime, because it can be changed into another prime (243120143081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121560071520 + 121560071521.

It is an arithmetic number, because the mean of its divisors is an integer number (121560071521).

Almost surely, 2^243120143041 is an apocalyptic number.

It is an amenable number.

243120143041 is a deficient number, since it is larger than the sum of its proper divisors (1).

243120143041 is an equidigital number, since it uses as much as digits as its factorization.

243120143041 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 25.

Adding to 243120143041 its reverse (140341021342), we get a palindrome (383461164383).

The spelling of 243120143041 in words is "two hundred forty-three billion, one hundred twenty million, one hundred forty-three thousand, forty-one".