1321322322323 has 4 divisors (see below), whose sum is σ = 1321894078128. Its totient is φ = 1320750566520.

The previous prime is 1321322322319. The next prime is 1321322322371. The reversal of 1321322322323 is 3232232231231.

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 1321322322323 - 2² = 1321322322319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321322321323) 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, 285874436 + ... + 285879057.

It is an arithmetic number, because the mean of its divisors is an integer number (330473519532).

Almost surely, 2^{1321322322323} is an apocalyptic number.

1321322322323 is a deficient number, since it is larger than the sum of its proper divisors (571755805).

1321322322323 is an equidigital number, since it uses as much as digits as its factorization.

1321322322323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571755804.

The product of its digits is 15552, while the sum is 29.

Adding to 1321322322323 its reverse (3232232231231), we get a palindrome (4553554553554).

The spelling of 1321322322323 in words is "one trillion, three hundred twenty-one billion, three hundred twenty-two million, three hundred twenty-two thousand, three hundred twenty-three".