823043 has 4 divisors (see below), whose sum is σ = 886368. Its totient is φ = 759720.

The previous prime is 823033. The next prime is 823051. The reversal of 823043 is 340328.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 823043 - 2¹² = 818947 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 823043.

It is not an unprimeable number, because it can be changed into a prime (823003) 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, 31643 + ... + 31668.

It is an arithmetic number, because the mean of its divisors is an integer number (221592).

2⁸²³⁰⁴³ is an apocalyptic number.

823043 is a deficient number, since it is larger than the sum of its proper divisors (63325).

823043 is a wasteful number, since it uses less digits than its factorization.

823043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63324.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 823043 is about 907.2171735588. The cubic root of 823043 is about 93.7146545276.

It can be divided in two parts, 82 and 3043, that added together give a 5-th power (3125 = 5⁵).

The spelling of 823043 in words is "eight hundred twenty-three thousand, forty-three".