13231040323 has 2 divisors, whose sum is σ = 13231040324. Its totient is φ = 13231040322.

The previous prime is 13231040321. The next prime is 13231040353. The reversal of 13231040323 is 32304013231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13231040323 - 2¹ = 13231040321 is a prime.

Together with 13231040321, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13231040294 and 13231040303.

It is not a weakly prime, because it can be changed into another prime (13231040321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615520161 + 6615520162.

It is an arithmetic number, because the mean of its divisors is an integer number (6615520162).

Almost surely, 2^13231040323 is an apocalyptic number.

13231040323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231040323 is an equidigital number, since it uses as much as digits as its factorization.

13231040323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13231040323 its reverse (32304013231), we get a palindrome (45535053554).

The spelling of 13231040323 in words is "thirteen billion, two hundred thirty-one million, forty thousand, three hundred twenty-three".