13321055423 has 8 divisors (see below), whose sum is σ = 14417844000. Its totient is φ = 12234565728.

The previous prime is 13321055399. The next prime is 13321055467. The reversal of 13321055423 is 32455012331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13321055423 - 2¹⁰ = 13321054399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321055023) 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 7 ways as a sum of consecutive naturals, for example, 2572028 + ... + 2577201.

It is an arithmetic number, because the mean of its divisors is an integer number (1802230500).

Almost surely, 2^13321055423 is an apocalyptic number.

13321055423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13321055423 is a deficient number, since it is larger than the sum of its proper divisors (1096788577).

13321055423 is a wasteful number, since it uses less digits than its factorization.

13321055423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149441.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13321055423 its reverse (32455012331), we get a palindrome (45776067754).

The spelling of 13321055423 in words is "thirteen billion, three hundred twenty-one million, fifty-five thousand, four hundred twenty-three".