1321403114323 has 4 divisors (see below), whose sum is σ = 1321406024440. Its totient is φ = 1321400204208.

The previous prime is 1321403114281. The next prime is 1321403114329. The reversal of 1321403114323 is 3234113041231.

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-1321403114323 is a prime.

It is a super-2 number, since 2×1321403114323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1321403114291 and 1321403114300.

It is not an unprimeable number, because it can be changed into a prime (1321403114329) 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, 610578 + ... + 1736551.

It is an arithmetic number, because the mean of its divisors is an integer number (330351506110).

Almost surely, 2^{1321403114323} is an apocalyptic number.

1321403114323 is a deficient number, since it is larger than the sum of its proper divisors (2910117).

1321403114323 is an equidigital number, since it uses as much as digits as its factorization.

1321403114323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910116.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1321403114323 its reverse (3234113041231), we get a palindrome (4555516155554).

The spelling of 1321403114323 in words is "one trillion, three hundred twenty-one billion, four hundred three million, one hundred fourteen thousand, three hundred twenty-three".