13231244323 has 16 divisors (see below), whose sum is σ = 15038991360. Its totient is φ = 11531570400.

The previous prime is 13231244311. The next prime is 13231244329. The reversal of 13231244323 is 32344213231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13231244323 - 2²¹ = 13229147171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13231244291 and 13231244300.

It is not an unprimeable number, because it can be changed into a prime (13231244329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144828 + ... + 217801.

It is an arithmetic number, because the mean of its divisors is an integer number (939936960).

Almost surely, 2^13231244323 is an apocalyptic number.

13231244323 is a deficient number, since it is larger than the sum of its proper divisors (1807747037).

13231244323 is a wasteful number, since it uses less digits than its factorization.

13231244323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362778.

The product of its digits is 10368, while the sum is 28.

Adding to 13231244323 its reverse (32344213231), we get a palindrome (45575457554).

The spelling of 13231244323 in words is "thirteen billion, two hundred thirty-one million, two hundred forty-four thousand, three hundred twenty-three".