9723000 has 128 divisors (see below), whose sum is σ = 34744320. Its totient is φ = 2217600.

The previous prime is 9722981. The next prime is 9723001. The reversal of 9723000 is 3279.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9723001) 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, 20769 + ... + 21231.

It is an arithmetic number, because the mean of its divisors is an integer number (271440).

Almost surely, 2^9723000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9723000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17372160).

9723000 is an abundant number, since it is smaller than the sum of its proper divisors (25021320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9723000 is a wasteful number, since it uses less digits than its factorization.

9723000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 9723000 is about 3118.1725417302. The cubic root of 9723000 is about 213.4355521424.

Adding to 9723000 its reverse (3279), we get a palindrome (9726279).

The spelling of 9723000 in words is "nine million, seven hundred twenty-three thousand".