1312023303323 has 16 divisors (see below), whose sum is σ = 1369987273536. Its totient is φ = 1255256403840.

The previous prime is 1312023303319. The next prime is 1312023303337. The reversal of 1312023303323 is 3233033202131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1312023303323 - 2² = 1312023303319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312023303292 and 1312023303301.

It is not an unprimeable number, because it can be changed into a prime (1312023303343) 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 15 ways as a sum of consecutive naturals, for example, 7526690 + ... + 7699032.

It is an arithmetic number, because the mean of its divisors is an integer number (85624204596).

Almost surely, 2^{1312023303323} is an apocalyptic number.

1312023303323 is a deficient number, since it is larger than the sum of its proper divisors (57963970213).

1312023303323 is a wasteful number, since it uses less digits than its factorization.

1312023303323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175814.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1312023303323 its reverse (3233033202131), we get a palindrome (4545056505454).

The spelling of 1312023303323 in words is "one trillion, three hundred twelve billion, twenty-three million, three hundred three thousand, three hundred twenty-three".