873023 has 4 divisors (see below), whose sum is σ = 887880. Its totient is φ = 858168.

The previous prime is 873017. The next prime is 873043. The reversal of 873023 is 320378.

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 873023 - 2⁶ = 872959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 873023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873043) 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, 7340 + ... + 7457.

It is an arithmetic number, because the mean of its divisors is an integer number (221970).

2⁸⁷³⁰²³ is an apocalyptic number.

873023 is a deficient number, since it is larger than the sum of its proper divisors (14857).

873023 is a wasteful number, since it uses less digits than its factorization.

873023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14856.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 873023 is about 934.3569981543. The cubic root of 873023 is about 95.5744692946.

The spelling of 873023 in words is "eight hundred seventy-three thousand, twenty-three".