9983456723 has 2 divisors, whose sum is σ = 9983456724. Its totient is φ = 9983456722.

The previous prime is 9983456701. The next prime is 9983456849. The reversal of 9983456723 is 3276543899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9983456723 - 2³² = 5688489427 is a prime.

It is not a weakly prime, because it can be changed into another prime (9983456123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991728361 + 4991728362.

It is an arithmetic number, because the mean of its divisors is an integer number (4991728362).

Almost surely, 2^9983456723 is an apocalyptic number.

9983456723 is a deficient number, since it is larger than the sum of its proper divisors (1).

9983456723 is an equidigital number, since it uses as much as digits as its factorization.

9983456723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 56.

The square root of 9983456723 is about 99917.2493766717. The cubic root of 9983456723 is about 2153.2459872942.

The spelling of 9983456723 in words is "nine billion, nine hundred eighty-three million, four hundred fifty-six thousand, seven hundred twenty-three".