13441232321 has 8 divisors (see below), whose sum is σ = 14939826624. Its totient is φ = 11988748720.

The previous prime is 13441232297. The next prime is 13441232419. The reversal of 13441232321 is 12323214431.

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-13441232321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13441232521) 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, 11527061 + ... + 11528226.

It is an arithmetic number, because the mean of its divisors is an integer number (1867478328).

Almost surely, 2^13441232321 is an apocalyptic number.

13441232321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13441232321 is a deficient number, since it is larger than the sum of its proper divisors (1498594303).

13441232321 is a wasteful number, since it uses less digits than its factorization.

13441232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23055351.

The product of its digits is 3456, while the sum is 26.

Adding to 13441232321 its reverse (12323214431), we get a palindrome (25764446752).

The spelling of 13441232321 in words is "thirteen billion, four hundred forty-one million, two hundred thirty-two thousand, three hundred twenty-one".