440143343 has 4 divisors (see below), whose sum is σ = 440190720. Its totient is φ = 440095968.

The previous prime is 440143339. The next prime is 440143349. The reversal of 440143343 is 343341044.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 440143343 - 2² = 440143339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440143349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4655 + ... + 30032.

It is an arithmetic number, because the mean of its divisors is an integer number (110047680).

Almost surely, 2^440143343 is an apocalyptic number.

440143343 is a deficient number, since it is larger than the sum of its proper divisors (47377).

440143343 is a wasteful number, since it uses less digits than its factorization.

440143343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47376.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 440143343 is about 20979.5934898653. The cubic root of 440143343 is about 760.6730781263.

Adding to 440143343 its reverse (343341044), we get a palindrome (783484387).

The spelling of 440143343 in words is "four hundred forty million, one hundred forty-three thousand, three hundred forty-three".