1320442323441 has 4 divisors (see below), whose sum is σ = 1760589764592. Its totient is φ = 880294882292.

The previous prime is 1320442323439. The next prime is 1320442323443. The reversal of 1320442323441 is 1443232440231.

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 an interprime number because it is at equal distance from previous prime (1320442323439) and next prime (1320442323443).

It is a cyclic number.

It is not a de Polignac number, because 1320442323441 - 2¹ = 1320442323439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320442323443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220073720571 + ... + 220073720576.

It is an arithmetic number, because the mean of its divisors is an integer number (440147441148).

Almost surely, 2^{1320442323441} is an apocalyptic number.

It is an amenable number.

1320442323441 is a deficient number, since it is larger than the sum of its proper divisors (440147441151).

1320442323441 is an equidigital number, since it uses as much as digits as its factorization.

1320442323441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440147441150.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1320442323441 its reverse (1443232440231), we get a palindrome (2763674763672).

The spelling of 1320442323441 in words is "one trillion, three hundred twenty billion, four hundred forty-two million, three hundred twenty-three thousand, four hundred forty-one".