1320233411443 has 4 divisors (see below), whose sum is σ = 1320242407120. Its totient is φ = 1320224415768.

The previous prime is 1320233411417. The next prime is 1320233411459. The reversal of 1320233411443 is 3441143320231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320233411443 - 2⁵ = 1320233411411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320233411473) 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, 4273980 + ... + 4572457.

It is an arithmetic number, because the mean of its divisors is an integer number (330060601780).

Almost surely, 2^{1320233411443} is an apocalyptic number.

1320233411443 is a deficient number, since it is larger than the sum of its proper divisors (8995677).

1320233411443 is an equidigital number, since it uses as much as digits as its factorization.

1320233411443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995676.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1320233411443 its reverse (3441143320231), we get a palindrome (4761376731674).

The spelling of 1320233411443 in words is "one trillion, three hundred twenty billion, two hundred thirty-three million, four hundred eleven thousand, four hundred forty-three".