13423332311 has 4 divisors (see below), whose sum is σ = 14212940112. Its totient is φ = 12633724512.

The previous prime is 13423332301. The next prime is 13423332319. The reversal of 13423332311 is 11323332431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11323332431 = 29 ⋅390459739.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13423332311 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 (13423332319) 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, 394803875 + ... + 394803908.

It is an arithmetic number, because the mean of its divisors is an integer number (3553235028).

Almost surely, 2^13423332311 is an apocalyptic number.

13423332311 is a deficient number, since it is larger than the sum of its proper divisors (789607801).

13423332311 is an equidigital number, since it uses as much as digits as its factorization.

13423332311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789607800.

The product of its digits is 3888, while the sum is 26.

Adding to 13423332311 its reverse (11323332431), we get a palindrome (24746664742).

The spelling of 13423332311 in words is "thirteen billion, four hundred twenty-three million, three hundred thirty-two thousand, three hundred eleven".