3440312243 has 8 divisors (see below), whose sum is σ = 3502517760. Its totient is φ = 3378236680.

The previous prime is 3440312237. The next prime is 3440312297. The reversal of 3440312243 is 3422130443.

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

It is a cyclic number.

It is not a de Polignac number, because 3440312243 - 2⁶ = 3440312179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440312443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21746 + ... + 85752.

It is an arithmetic number, because the mean of its divisors is an integer number (437814720).

Almost surely, 2^3440312243 is an apocalyptic number.

3440312243 is a deficient number, since it is larger than the sum of its proper divisors (62205517).

3440312243 is an equidigital number, since it uses as much as digits as its factorization.

3440312243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64977.

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

The square root of 3440312243 is about 58654.1749835423. The cubic root of 3440312243 is about 1509.6141351371.

Adding to 3440312243 its reverse (3422130443), we get a palindrome (6862442686).

The spelling of 3440312243 in words is "three billion, four hundred forty million, three hundred twelve thousand, two hundred forty-three".