8997823 has 4 divisors (see below), whose sum is σ = 9068800. Its totient is φ = 8926848.

The previous prime is 8997803. The next prime is 8997847. The reversal of 8997823 is 3287998.

8997823 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 not a de Polignac number, because 8997823 - 2⁹ = 8997311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997803) 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, 35298 + ... + 35551.

It is an arithmetic number, because the mean of its divisors is an integer number (2267200).

Almost surely, 2^8997823 is an apocalyptic number.

8997823 is a deficient number, since it is larger than the sum of its proper divisors (70977).

8997823 is a wasteful number, since it uses less digits than its factorization.

8997823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70976.

The product of its digits is 217728, while the sum is 46.

The square root of 8997823 is about 2999.6371447227. The cubic root of 8997823 is about 207.9916093139.

The spelling of 8997823 in words is "eight million, nine hundred ninety-seven thousand, eight hundred twenty-three".