706823 has 4 divisors (see below), whose sum is σ = 761208. Its totient is φ = 652440.

The previous prime is 706801. The next prime is 706829. The reversal of 706823 is 328607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328607 = 61 ⋅5387.

It is a cyclic number.

It is not a de Polignac number, because 706823 - 2¹⁴ = 690439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 706792 and 706801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706829) 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, 27173 + ... + 27198.

It is an arithmetic number, because the mean of its divisors is an integer number (190302).

2⁷⁰⁶⁸²³ is an apocalyptic number.

706823 is a deficient number, since it is larger than the sum of its proper divisors (54385).

706823 is a wasteful number, since it uses less digits than its factorization.

706823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54384.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 706823 is about 840.7276610175. The cubic root of 706823 is about 89.0779521563.

The spelling of 706823 in words is "seven hundred six thousand, eight hundred twenty-three".