424823 has 4 divisors (see below), whose sum is σ = 485520. Its totient is φ = 364128.

The previous prime is 424819. The next prime is 424829. The reversal of 424823 is 328424.

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 424823 - 2² = 424819 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424829) 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, 30338 + ... + 30351.

It is an arithmetic number, because the mean of its divisors is an integer number (121380).

2⁴²⁴⁸²³ is an apocalyptic number.

424823 is a deficient number, since it is larger than the sum of its proper divisors (60697).

424823 is an equidigital number, since it uses as much as digits as its factorization.

424823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60696.

The product of its digits is 1536, while the sum is 23.

The square root of 424823 is about 651.7844735800. The cubic root of 424823 is about 75.1742909514.

It can be divided in two parts, 42 and 4823, that multiplied together give a triangular number (202566 = T₆₃₆).

The spelling of 424823 in words is "four hundred twenty-four thousand, eight hundred twenty-three".