13223050620523 has 2 divisors, whose sum is σ = 13223050620524. Its totient is φ = 13223050620522.

The previous prime is 13223050620517. The next prime is 13223050620587. The reversal of 13223050620523 is 32502605032231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13223050620523 - 2²¹ = 13223048523371 is a prime.

It is not a weakly prime, because it can be changed into another prime (13223050620623) 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 as a sum of consecutive naturals, namely, 6611525310261 + 6611525310262.

It is an arithmetic number, because the mean of its divisors is an integer number (6611525310262).

Almost surely, 2^{13223050620523} is an apocalyptic number.

13223050620523 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223050620523 is an equidigital number, since it uses as much as digits as its factorization.

13223050620523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 13223050620523 its reverse (32502605032231), we get a palindrome (45725655652754).

The spelling of 13223050620523 in words is "thirteen trillion, two hundred twenty-three billion, fifty million, six hundred twenty thousand, five hundred twenty-three".