6723323543 has 2 divisors, whose sum is σ = 6723323544. Its totient is φ = 6723323542.

The previous prime is 6723323521. The next prime is 6723323587. The reversal of 6723323543 is 3453233276.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6723323543 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 6723323497 and 6723323506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6723323443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361661771 + 3361661772.

It is an arithmetic number, because the mean of its divisors is an integer number (3361661772).

Almost surely, 2^6723323543 is an apocalyptic number.

6723323543 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723323543 is an equidigital number, since it uses as much as digits as its factorization.

6723323543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 38.

The square root of 6723323543 is about 81995.8751584493. The cubic root of 6723323543 is about 1887.3886412263.

The spelling of 6723323543 in words is "six billion, seven hundred twenty-three million, three hundred twenty-three thousand, five hundred forty-three".