823973 has 8 divisors (see below), whose sum is σ = 918720. Its totient is φ = 734400.

The previous prime is 823969. The next prime is 823981. The reversal of 823973 is 379328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 823973 - 2² = 823969 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 (823903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953 + ... + 1598.

It is an arithmetic number, because the mean of its divisors is an integer number (114840).

2⁸²³⁹⁷³ is an apocalyptic number.

It is an amenable number.

823973 is a deficient number, since it is larger than the sum of its proper divisors (94747).

823973 is a wasteful number, since it uses less digits than its factorization.

823973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587.

The product of its digits is 9072, while the sum is 32.

The square root of 823973 is about 907.7295852841. The cubic root of 823973 is about 93.7499389629.

The spelling of 823973 in words is "eight hundred twenty-three thousand, nine hundred seventy-three".