8499723 has 4 divisors (see below), whose sum is σ = 11332968. Its totient is φ = 5666480.

The previous prime is 8499703. The next prime is 8499727. The reversal of 8499723 is 3279948.

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-8499723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8499727) 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, 1416618 + ... + 1416623.

It is an arithmetic number, because the mean of its divisors is an integer number (2833242).

Almost surely, 2^8499723 is an apocalyptic number.

8499723 is a deficient number, since it is larger than the sum of its proper divisors (2833245).

8499723 is a wasteful number, since it uses less digits than its factorization.

8499723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833244.

The product of its digits is 108864, while the sum is 42.

The square root of 8499723 is about 2915.4284419275. The cubic root of 8499723 is about 204.0805381728.

The spelling of 8499723 in words is "eight million, four hundred ninety-nine thousand, seven hundred twenty-three".