5440323 has 32 divisors (see below), whose sum is σ = 8985600. Its totient is φ = 2916480.

The previous prime is 5440319. The next prime is 5440339. The reversal of 5440323 is 3230445.

It is a happy number.

It is not a de Polignac number, because 5440323 - 2² = 5440319 is a prime.

It is a super-2 number, since 2×5440323² = 59194228688658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 5440323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17338 + ... + 17648.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

Almost surely, 2^5440323 is an apocalyptic number.

5440323 is a deficient number, since it is larger than the sum of its proper divisors (3545277).

5440323 is a wasteful number, since it uses less digits than its factorization.

5440323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 5440323 is about 2332.4499994641. The cubic root of 5440323 is about 175.8766676409.

Adding to 5440323 its reverse (3230445), we get a palindrome (8670768).

The spelling of 5440323 in words is "five million, four hundred forty thousand, three hundred twenty-three".