1320010323243 has 4 divisors (see below), whose sum is σ = 1760013764328. Its totient is φ = 880006882160.

The previous prime is 1320010323187. The next prime is 1320010323263. The reversal of 1320010323243 is 3423230100231.

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 1320010323243 - 2²⁶ = 1319943214379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320010323263) 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, 220001720538 + ... + 220001720543.

It is an arithmetic number, because the mean of its divisors is an integer number (440003441082).

Almost surely, 2^{1320010323243} is an apocalyptic number.

1320010323243 is a deficient number, since it is larger than the sum of its proper divisors (440003441085).

1320010323243 is an equidigital number, since it uses as much as digits as its factorization.

1320010323243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440003441084.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1320010323243 its reverse (3423230100231), we get a palindrome (4743240423474).

The spelling of 1320010323243 in words is "one trillion, three hundred twenty billion, ten million, three hundred twenty-three thousand, two hundred forty-three".