512823 has 8 divisors (see below), whose sum is σ = 688000. Its totient is φ = 339768.

The previous prime is 512821. The next prime is 512843. The reversal of 512823 is 328215.

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

It is not a de Polignac number, because 512823 - 2¹ = 512821 is a prime.

It is a Duffinian number.

512823 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 512823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512821) 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, 168 + ... + 1026.

It is an arithmetic number, because the mean of its divisors is an integer number (86000).

2⁵¹²⁸²³ is an apocalyptic number.

512823 is a deficient number, since it is larger than the sum of its proper divisors (175177).

512823 is a wasteful number, since it uses less digits than its factorization.

512823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its digits is 480, while the sum is 21.

The square root of 512823 is about 716.1166106159. The cubic root of 512823 is about 80.0428416367.

It can be divided in two parts, 5128 and 23, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 512823 in words is "five hundred twelve thousand, eight hundred twenty-three".