996963823 has 2 divisors, whose sum is σ = 996963824. Its totient is φ = 996963822.

The previous prime is 996963811. The next prime is 996963889. The reversal of 996963823 is 328369699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 996963823 - 2⁵ = 996963791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996963893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498481911 + 498481912.

It is an arithmetic number, because the mean of its divisors is an integer number (498481912).

Almost surely, 2^996963823 is an apocalyptic number.

996963823 is a deficient number, since it is larger than the sum of its proper divisors (1).

996963823 is an equidigital number, since it uses as much as digits as its factorization.

996963823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3779136, while the sum is 55.

The square root of 996963823 is about 31574.7339339542. The cubic root of 996963823 is about 998.9869150054.

The spelling of 996963823 in words is "nine hundred ninety-six million, nine hundred sixty-three thousand, eight hundred twenty-three".