1320110012323 has 4 divisors (see below), whose sum is σ = 1341751160128. Its totient is φ = 1298468864520.

The previous prime is 1320110012203. The next prime is 1320110012369. The reversal of 1320110012323 is 3232100110231.

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 1320110012323 - 2⁹ = 1320110011811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320110012323.

It is not an unprimeable number, because it can be changed into a prime (1320110012393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10820573811 + ... + 10820573932.

It is an arithmetic number, because the mean of its divisors is an integer number (335437790032).

Almost surely, 2^{1320110012323} is an apocalyptic number.

1320110012323 is a deficient number, since it is larger than the sum of its proper divisors (21641147805).

1320110012323 is an equidigital number, since it uses as much as digits as its factorization.

1320110012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21641147804.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1320110012323 its reverse (3232100110231), we get a palindrome (4552210122554).

The spelling of 1320110012323 in words is "one trillion, three hundred twenty billion, one hundred ten million, twelve thousand, three hundred twenty-three".