9996723 has 32 divisors (see below), whose sum is σ = 16369920. Its totient is φ = 5978880.

The previous prime is 9996719. The next prime is 9996737. The reversal of 9996723 is 3276999.

It is not a de Polignac number, because 9996723 - 2² = 9996719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9996703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28636 + ... + 28982.

It is an arithmetic number, because the mean of its divisors is an integer number (511560).

Almost surely, 2^9996723 is an apocalyptic number.

9996723 is a deficient number, since it is larger than the sum of its proper divisors (6373197).

9996723 is a wasteful number, since it uses less digits than its factorization.

9996723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 9996723 is about 3161.7594785183. The cubic root of 9996723 is about 215.4199328238.

The spelling of 9996723 in words is "nine million, nine hundred ninety-six thousand, seven hundred twenty-three".