13311232220423 has 2 divisors, whose sum is σ = 13311232220424. Its totient is φ = 13311232220422.

The previous prime is 13311232220413. The next prime is 13311232220431. The reversal of 13311232220423 is 32402223211331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13311232220423 - 2⁴⁰ = 12211720592647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311232220413) 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 as a sum of consecutive naturals, namely, 6655616110211 + 6655616110212.

It is an arithmetic number, because the mean of its divisors is an integer number (6655616110212).

Almost surely, 2^{13311232220423} is an apocalyptic number.

13311232220423 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311232220423 is an equidigital number, since it uses as much as digits as its factorization.

13311232220423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 13311232220423 its reverse (32402223211331), we get a palindrome (45713455431754).

The spelling of 13311232220423 in words is "thirteen trillion, three hundred eleven billion, two hundred thirty-two million, two hundred twenty thousand, four hundred twenty-three".