413823 has 4 divisors (see below), whose sum is σ = 551768. Its totient is φ = 275880.

The previous prime is 413807. The next prime is 413827. The reversal of 413823 is 328314.

It is a happy number.

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

It is not a de Polignac number, because 413823 - 2⁴ = 413807 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 413823.

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 413823.

It is not an unprimeable number, because it can be changed into a prime (413827) 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, 68968 + ... + 68973.

It is an arithmetic number, because the mean of its divisors is an integer number (137942).

2⁴¹³⁸²³ is an apocalyptic number.

413823 is a deficient number, since it is larger than the sum of its proper divisors (137945).

413823 is a wasteful number, since it uses less digits than its factorization.

413823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137944.

The product of its digits is 576, while the sum is 21.

The square root of 413823 is about 643.2907585221. The cubic root of 413823 is about 74.5197761412.

The spelling of 413823 in words is "four hundred thirteen thousand, eight hundred twenty-three".