13211255423 has 4 divisors (see below), whose sum is σ = 13211811120. Its totient is φ = 13210699728.

The previous prime is 13211255413. The next prime is 13211255443. The reversal of 13211255423 is 32455211231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32455211231 = 1531 ⋅21198701.

It is a cyclic number.

It is not a de Polignac number, because 13211255423 - 2⁶ = 13211255359 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 (13211255413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240515 + ... + 290292.

It is an arithmetic number, because the mean of its divisors is an integer number (3302952780).

Almost surely, 2^13211255423 is an apocalyptic number.

13211255423 is a deficient number, since it is larger than the sum of its proper divisors (555697).

13211255423 is an equidigital number, since it uses as much as digits as its factorization.

13211255423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555696.

The product of its digits is 7200, while the sum is 29.

Adding to 13211255423 its reverse (32455211231), we get a palindrome (45666466654).

The spelling of 13211255423 in words is "thirteen billion, two hundred eleven million, two hundred fifty-five thousand, four hundred twenty-three".