873523 has 6 divisors (see below), whose sum is σ = 1016196. Its totient is φ = 748692.

The previous prime is 873497. The next prime is 873527. The reversal of 873523 is 325378.

873523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-873523 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 873491 and 873500.

It is not an unprimeable number, because it can be changed into a prime (873527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8865 + ... + 8962.

It is an arithmetic number, because the mean of its divisors is an integer number (169366).

2⁸⁷³⁵²³ is an apocalyptic number.

873523 is a deficient number, since it is larger than the sum of its proper divisors (142673).

873523 is a wasteful number, since it uses less digits than its factorization.

873523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17841 (or 17834 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 873523 is about 934.6245235387. The cubic root of 873523 is about 95.5927116985.

The spelling of 873523 in words is "eight hundred seventy-three thousand, five hundred twenty-three".