13121213323 has 2 divisors, whose sum is σ = 13121213324. Its totient is φ = 13121213322.

The previous prime is 13121213317. The next prime is 13121213327. The reversal of 13121213323 is 32331212131.

13121213323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13121213323 - 2²⁹ = 12584342411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13121213294 and 13121213303.

It is not a weakly prime, because it can be changed into another prime (13121213327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560606661 + 6560606662.

It is an arithmetic number, because the mean of its divisors is an integer number (6560606662).

Almost surely, 2^13121213323 is an apocalyptic number.

13121213323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13121213323 is an equidigital number, since it uses as much as digits as its factorization.

13121213323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

Adding to 13121213323 its reverse (32331212131), we get a palindrome (45452425454).

The spelling of 13121213323 in words is "thirteen billion, one hundred twenty-one million, two hundred thirteen thousand, three hundred twenty-three".