1313123013323 has 16 divisors (see below), whose sum is σ = 1437525722880. Its totient is φ = 1189560544800.

The previous prime is 1313123013287. The next prime is 1313123013353. The reversal of 1313123013323 is 3233103213131.

It is a cyclic number.

It is not a de Polignac number, because 1313123013323 - 2¹⁸ = 1313122751179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313123013292 and 1313123013301.

It is not an unprimeable number, because it can be changed into a prime (1313123013353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11977088 + ... + 12086226.

It is an arithmetic number, because the mean of its divisors is an integer number (89845357680).

Almost surely, 2^{1313123013323} is an apocalyptic number.

1313123013323 is a deficient number, since it is larger than the sum of its proper divisors (124402709557).

1313123013323 is a wasteful number, since it uses less digits than its factorization.

1313123013323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112978.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1313123013323 its reverse (3233103213131), we get a palindrome (4546226226454).

The spelling of 1313123013323 in words is "one trillion, three hundred thirteen billion, one hundred twenty-three million, thirteen thousand, three hundred twenty-three".