13233223231 has 8 divisors (see below), whose sum is σ = 13268257920. Its totient is φ = 13198230552.

The previous prime is 13233223219. The next prime is 13233223261. The reversal of 13233223231 is 13232233231.

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 13233223231 - 2⁹ = 13233222719 is a prime.

It is a super-2 number, since 2×13233223231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13233223196 and 13233223205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233223261) 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 7 ways as a sum of consecutive naturals, for example, 678940 + ... + 698158.

It is an arithmetic number, because the mean of its divisors is an integer number (1658532240).

Almost surely, 2^13233223231 is an apocalyptic number.

13233223231 is a deficient number, since it is larger than the sum of its proper divisors (35034689).

13233223231 is a wasteful number, since it uses less digits than its factorization.

13233223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005.

The product of its digits is 3888, while the sum is 25.

Adding to 13233223231 its reverse (13232233231), we get a palindrome (26465456462).

The spelling of 13233223231 in words is "thirteen billion, two hundred thirty-three million, two hundred twenty-three thousand, two hundred thirty-one".