13231132323 has 4 divisors (see below), whose sum is σ = 17641509768. Its totient is φ = 8820754880.

The previous prime is 13231132319. The next prime is 13231132331. The reversal of 13231132323 is 32323113231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13231132323 - 2² = 13231132319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13231132293 and 13231132302.

It is not an unprimeable number, because it can be changed into a prime (13231132393) 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, 2205188718 + ... + 2205188723.

It is an arithmetic number, because the mean of its divisors is an integer number (4410377442).

Almost surely, 2^13231132323 is an apocalyptic number.

13231132323 is a deficient number, since it is larger than the sum of its proper divisors (4410377445).

13231132323 is an equidigital number, since it uses as much as digits as its factorization.

13231132323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410377444.

The product of its digits is 1944, while the sum is 24.

Adding to 13231132323 its reverse (32323113231), we get a palindrome (45554245554).

The spelling of 13231132323 in words is "thirteen billion, two hundred thirty-one million, one hundred thirty-two thousand, three hundred twenty-three".