1320202212323 has 4 divisors (see below), whose sum is σ = 1328107614960. Its totient is φ = 1312296809688.

The previous prime is 1320202212313. The next prime is 1320202212361. The reversal of 1320202212323 is 3232122020231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320202212323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320202212313) 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, 3952701068 + ... + 3952701401.

It is an arithmetic number, because the mean of its divisors is an integer number (332026903740).

Almost surely, 2^{1320202212323} is an apocalyptic number.

1320202212323 is a deficient number, since it is larger than the sum of its proper divisors (7905402637).

1320202212323 is an equidigital number, since it uses as much as digits as its factorization.

1320202212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905402636.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1320202212323 its reverse (3232122020231), we get a palindrome (4552324232554).

The spelling of 1320202212323 in words is "one trillion, three hundred twenty billion, two hundred two million, two hundred twelve thousand, three hundred twenty-three".