41320142243 has 2 divisors, whose sum is σ = 41320142244. Its totient is φ = 41320142242.

The previous prime is 41320142209. The next prime is 41320142267. The reversal of 41320142243 is 34224102314.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41320142243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (41320142273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20660071121 + 20660071122.

It is an arithmetic number, because the mean of its divisors is an integer number (20660071122).

Almost surely, 2^41320142243 is an apocalyptic number.

41320142243 is a deficient number, since it is larger than the sum of its proper divisors (1).

41320142243 is an equidigital number, since it uses as much as digits as its factorization.

41320142243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 41320142243 its reverse (34224102314), we get a palindrome (75544244557).

The spelling of 41320142243 in words is "forty-one billion, three hundred twenty million, one hundred forty-two thousand, two hundred forty-three".