873723 has 8 divisors (see below), whose sum is σ = 1171008. Its totient is φ = 579464.

The previous prime is 873721. The next prime is 873727. The reversal of 873723 is 327378.

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

It is a cyclic number.

It is not a de Polignac number, because 873723 - 2¹ = 873721 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (873721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40 + ... + 1322.

It is an arithmetic number, because the mean of its divisors is an integer number (146376).

2⁸⁷³⁷²³ is an apocalyptic number.

873723 is a deficient number, since it is larger than the sum of its proper divisors (297285).

873723 is a wasteful number, since it uses less digits than its factorization.

873723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513.

The product of its digits is 7056, while the sum is 30.

The square root of 873723 is about 934.7315122537. The cubic root of 873723 is about 95.6000067109.

It can be divided in two parts, 873 and 723, that added together give a triangular number (1596 = T₅₆).

The spelling of 873723 in words is "eight hundred seventy-three thousand, seven hundred twenty-three".