13123223311 has 24 divisors (see below), whose sum is σ = 14720227200. Its totient is φ = 11686509120.

The previous prime is 13123223293. The next prime is 13123223353. The reversal of 13123223311 is 11332232131.

It is not a de Polignac number, because 13123223311 - 2¹¹ = 13123221263 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 (13123223371) 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 in 23 ways as a sum of consecutive naturals, for example, 5469090 + ... + 5471488.

It is an arithmetic number, because the mean of its divisors is an integer number (613342800).

Almost surely, 2^13123223311 is an apocalyptic number.

13123223311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13123223311 is a deficient number, since it is larger than the sum of its proper divisors (1597003889).

13123223311 is a wasteful number, since it uses less digits than its factorization.

13123223311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327 (or 3316 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 13123223311 its reverse (11332232131), we get a palindrome (24455455442).

The spelling of 13123223311 in words is "thirteen billion, one hundred twenty-three million, two hundred twenty-three thousand, three hundred eleven".