8200997723 has 2 divisors, whose sum is σ = 8200997724. Its totient is φ = 8200997722.

The previous prime is 8200997687. The next prime is 8200997767. The reversal of 8200997723 is 3277990028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8200997723 - 2¹² = 8200993627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8200994723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4100498861 + 4100498862.

It is an arithmetic number, because the mean of its divisors is an integer number (4100498862).

Almost surely, 2^8200997723 is an apocalyptic number.

8200997723 is a deficient number, since it is larger than the sum of its proper divisors (1).

8200997723 is an equidigital number, since it uses as much as digits as its factorization.

8200997723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 8200997723 is about 90559.3602174839. The cubic root of 8200997723 is about 2016.6114580003.

The spelling of 8200997723 in words is "eight billion, two hundred million, nine hundred ninety-seven thousand, seven hundred twenty-three".