1313212112323 has 4 divisors (see below), whose sum is σ = 1358495288640. Its totient is φ = 1267928936008.

The previous prime is 1313212112299. The next prime is 1313212112417. The reversal of 1313212112323 is 3232112123131.

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 1313212112323 - 2⁵ = 1313212112291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313212110323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22641588115 + ... + 22641588172.

It is an arithmetic number, because the mean of its divisors is an integer number (339623822160).

Almost surely, 2^{1313212112323} is an apocalyptic number.

1313212112323 is a deficient number, since it is larger than the sum of its proper divisors (45283176317).

1313212112323 is an equidigital number, since it uses as much as digits as its factorization.

1313212112323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45283176316.

The product of its digits is 1296, while the sum is 25.

Adding to 1313212112323 its reverse (3232112123131), we get a palindrome (4545324235454).

The spelling of 1313212112323 in words is "one trillion, three hundred thirteen billion, two hundred twelve million, one hundred twelve thousand, three hundred twenty-three".