873623 has 4 divisors (see below), whose sum is σ = 876288. Its totient is φ = 870960.

The previous prime is 873619. The next prime is 873641. The reversal of 873623 is 326378.

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 873623 - 2² = 873619 is a prime.

It is a super-2 number, since 2×873623² = 1526434292258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873623.

It is not an unprimeable number, because it can be changed into a prime (873643) 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 3 ways as a sum of consecutive naturals, for example, 758 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (219072).

2⁸⁷³⁶²³ is an apocalyptic number.

873623 is a deficient number, since it is larger than the sum of its proper divisors (2665).

873623 is a wasteful number, since it uses less digits than its factorization.

873623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its digits is 6048, while the sum is 29.

The square root of 873623 is about 934.6780194270. The cubic root of 873623 is about 95.5963593439.

The spelling of 873623 in words is "eight hundred seventy-three thousand, six hundred twenty-three".