8201128343 has 2 divisors, whose sum is σ = 8201128344. Its totient is φ = 8201128342.

The previous prime is 8201128303. The next prime is 8201128357. The reversal of 8201128343 is 3438211028.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8201128343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8201128303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4100564171 + 4100564172.

It is an arithmetic number, because the mean of its divisors is an integer number (4100564172).

Almost surely, 2^8201128343 is an apocalyptic number.

8201128343 is a deficient number, since it is larger than the sum of its proper divisors (1).

8201128343 is an equidigital number, since it uses as much as digits as its factorization.

8201128343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 8201128343 is about 90560.0813990359. The cubic root of 8201128343 is about 2016.6221643558.

The spelling of 8201128343 in words is "eight billion, two hundred one million, one hundred twenty-eight thousand, three hundred forty-three".