3443012321 has 16 divisors (see below), whose sum is σ = 3975079680. Its totient is φ = 2921054400.

The previous prime is 3443012317. The next prime is 3443012357. The reversal of 3443012321 is 1232103443.

It is a cyclic number.

It is not a de Polignac number, because 3443012321 - 2² = 3443012317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3443017321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041371 + ... + 1044671.

It is an arithmetic number, because the mean of its divisors is an integer number (248442480).

Almost surely, 2^3443012321 is an apocalyptic number.

It is an amenable number.

3443012321 is a deficient number, since it is larger than the sum of its proper divisors (532067359).

3443012321 is a wasteful number, since it uses less digits than its factorization.

3443012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3443012321 is about 58677.1873985112. The cubic root of 3443012321 is about 1510.0089646121.

Adding to 3443012321 its reverse (1232103443), we get a palindrome (4675115764).

The spelling of 3443012321 in words is "three billion, four hundred forty-three million, twelve thousand, three hundred twenty-one".