440323 has 4 divisors (see below), whose sum is σ = 474208. Its totient is φ = 406440.

The previous prime is 440311. The next prime is 440329. The reversal of 440323 is 323044.

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 440323 - 2⁹ = 439811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440297 and 440306.

It is not an unprimeable number, because it can be changed into a prime (440329) 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, 16923 + ... + 16948.

It is an arithmetic number, because the mean of its divisors is an integer number (118552).

2⁴⁴⁰³²³ is an apocalyptic number.

440323 is a deficient number, since it is larger than the sum of its proper divisors (33885).

440323 is a wasteful number, since it uses less digits than its factorization.

440323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33884.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 440323 is about 663.5683838159. The cubic root of 440323 is about 76.0776560818.

Adding to 440323 its reverse (323044), we get a palindrome (763367).

The spelling of 440323 in words is "four hundred forty thousand, three hundred twenty-three", and thus it is an iban number.