13013123323 has 4 divisors (see below), whose sum is σ = 13015933120. Its totient is φ = 13010313528.

The previous prime is 13013123311. The next prime is 13013123359. The reversal of 13013123323 is 32332131031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13013123323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13013123294 and 13013123303.

It is not an unprimeable number, because it can be changed into a prime (13013123303) 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, 1397940 + ... + 1407217.

It is an arithmetic number, because the mean of its divisors is an integer number (3253983280).

Almost surely, 2^13013123323 is an apocalyptic number.

13013123323 is a deficient number, since it is larger than the sum of its proper divisors (2809797).

13013123323 is an equidigital number, since it uses as much as digits as its factorization.

13013123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809796.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13013123323 its reverse (32332131031), we get a palindrome (45345254354).

The spelling of 13013123323 in words is "thirteen billion, thirteen million, one hundred twenty-three thousand, three hundred twenty-three".