9994723 has 4 divisors (see below), whose sum is σ = 10010248. Its totient is φ = 9979200.

The previous prime is 9994717. The next prime is 9994727. The reversal of 9994723 is 3274999.

9994723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9994723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9994723.

It is not an unprimeable number, because it can be changed into a prime (9994727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6753 + ... + 8098.

It is an arithmetic number, because the mean of its divisors is an integer number (2502562).

Almost surely, 2^9994723 is an apocalyptic number.

9994723 is a deficient number, since it is larger than the sum of its proper divisors (15525).

9994723 is a wasteful number, since it uses less digits than its factorization.

9994723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15524.

The product of its digits is 122472, while the sum is 43.

The square root of 9994723 is about 3161.4431831048. The cubic root of 9994723 is about 215.4055658290.

The spelling of 9994723 in words is "nine million, nine hundred ninety-four thousand, seven hundred twenty-three".