1344332523221 has 4 divisors (see below), whose sum is σ = 1372935342912. Its totient is φ = 1315729703532.

The previous prime is 1344332523211. The next prime is 1344332523269. The reversal of 1344332523221 is 1223252334431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344332523221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344332523211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14301409775 + ... + 14301409868.

It is an arithmetic number, because the mean of its divisors is an integer number (343233835728).

Almost surely, 2^{1344332523221} is an apocalyptic number.

It is an amenable number.

1344332523221 is a deficient number, since it is larger than the sum of its proper divisors (28602819691).

1344332523221 is an equidigital number, since it uses as much as digits as its factorization.

1344332523221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28602819690.

The product of its digits is 103680, while the sum is 35.

Adding to 1344332523221 its reverse (1223252334431), we get a palindrome (2567584857652).

The spelling of 1344332523221 in words is "one trillion, three hundred forty-four billion, three hundred thirty-two million, five hundred twenty-three thousand, two hundred twenty-one".