13321001333423 has 16 divisors (see below), whose sum is σ = 15733521893376. Its totient is φ = 11036724469920.

The previous prime is 13321001333389. The next prime is 13321001333429. The reversal of 13321001333423 is 32433310012331.

It is a cyclic number.

It is not a de Polignac number, because 13321001333423 - 2²⁰ = 13321000284847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321001333429) 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 in 15 ways as a sum of consecutive naturals, for example, 35797961 + ... + 36168162.

It is an arithmetic number, because the mean of its divisors is an integer number (983345118336).

Almost surely, 2^{13321001333423} is an apocalyptic number.

13321001333423 is a deficient number, since it is larger than the sum of its proper divisors (2412520559953).

13321001333423 is an equidigital number, since it uses as much as digits as its factorization.

13321001333423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71967014.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 13321001333423 its reverse (32433310012331), we get a palindrome (45754311345754).

The spelling of 13321001333423 in words is "thirteen trillion, three hundred twenty-one billion, one million, three hundred thirty-three thousand, four hundred twenty-three".