1324443421 has 8 divisors (see below), whose sum is σ = 1515374784. Its totient is φ = 1133943360.

The previous prime is 1324443403. The next prime is 1324443451. The reversal of 1324443421 is 1243444231.

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-1324443421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1324443421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324443451) 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, 101215 + ... + 113548.

It is an arithmetic number, because the mean of its divisors is an integer number (189421848).

Almost surely, 2^1324443421 is an apocalyptic number.

It is an amenable number.

1324443421 is a deficient number, since it is larger than the sum of its proper divisors (190931363).

1324443421 is an equidigital number, since it uses as much as digits as its factorization.

1324443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215651.

The product of its digits is 9216, while the sum is 28.

The square root of 1324443421 is about 36392.9034428417. The cubic root of 1324443421 is about 1098.1908059000.

Adding to 1324443421 its reverse (1243444231), we get a palindrome (2567887652).

It can be divided in two parts, 13244 and 43421, that added together give a palindrome (56665).

The spelling of 1324443421 in words is "one billion, three hundred twenty-four million, four hundred forty-three thousand, four hundred twenty-one".