434823 has 4 divisors (see below), whose sum is σ = 579768. Its totient is φ = 289880.

The previous prime is 434821. The next prime is 434827. The reversal of 434823 is 328434.

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 434823 - 2¹ = 434821 is a prime.

It is a D-number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 434793 and 434802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434821) 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, 72468 + ... + 72473.

It is an arithmetic number, because the mean of its divisors is an integer number (144942).

2⁴³⁴⁸²³ is an apocalyptic number.

434823 is a deficient number, since it is larger than the sum of its proper divisors (144945).

434823 is a wasteful number, since it uses less digits than its factorization.

434823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144944.

The product of its digits is 2304, while the sum is 24.

The square root of 434823 is about 659.4111009075. The cubic root of 434823 is about 75.7595702925.

It can be divided in two parts, 4348 and 23, that added together give a triangular number (4371 = T₉₃).

The spelling of 434823 in words is "four hundred thirty-four thousand, eight hundred twenty-three".