432823 has 4 divisors (see below), whose sum is σ = 442080. Its totient is φ = 423568.

The previous prime is 432799. The next prime is 432833. The reversal of 432823 is 328234.

432823 = 72² + 73² + ... + 118².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328234 = 2 ⋅164117.

It is a cyclic number.

It is not a de Polignac number, because 432823 - 2¹⁷ = 301751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 432794 and 432803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432833) 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, 4558 + ... + 4651.

It is an arithmetic number, because the mean of its divisors is an integer number (110520).

2⁴³²⁸²³ is an apocalyptic number.

432823 is a deficient number, since it is larger than the sum of its proper divisors (9257).

432823 is an equidigital number, since it uses as much as digits as its factorization.

432823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256.

The product of its digits is 1152, while the sum is 22.

The square root of 432823 is about 657.8928484183. The cubic root of 432823 is about 75.6432378662.

The spelling of 432823 in words is "four hundred thirty-two thousand, eight hundred twenty-three".