440345323 has 8 divisors (see below), whose sum is σ = 480530160. Its totient is φ = 400186080.

The previous prime is 440345249. The next prime is 440345329. The reversal of 440345323 is 323543044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440345323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440345291 and 440345300.

It is not an unprimeable number, because it can be changed into a prime (440345329) 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 7 ways as a sum of consecutive naturals, for example, 56593 + ... + 63901.

It is an arithmetic number, because the mean of its divisors is an integer number (60066270).

Almost surely, 2^440345323 is an apocalyptic number.

440345323 is a deficient number, since it is larger than the sum of its proper divisors (40184837).

440345323 is a wasteful number, since it uses less digits than its factorization.

440345323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12797.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 440345323 is about 20984.4066630439. The cubic root of 440345323 is about 760.7894169320.

Adding to 440345323 its reverse (323543044), we get a palindrome (763888367).

The spelling of 440345323 in words is "four hundred forty million, three hundred forty-five thousand, three hundred twenty-three".