13002320323 has 4 divisors (see below), whose sum is σ = 13054122648. Its totient is φ = 12950518000.

The previous prime is 13002320299. The next prime is 13002320327. The reversal of 13002320323 is 32302320031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32302320031 = 23 ⋅1404448697.

It is a cyclic number.

It is not a de Polignac number, because 13002320323 - 2¹³ = 13002312131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13002320323.

It is not an unprimeable number, because it can be changed into a prime (13002320327) 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, 25900786 + ... + 25901287.

It is an arithmetic number, because the mean of its divisors is an integer number (3263530662).

Almost surely, 2^13002320323 is an apocalyptic number.

13002320323 is a deficient number, since it is larger than the sum of its proper divisors (51802325).

13002320323 is an equidigital number, since it uses as much as digits as its factorization.

13002320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51802324.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 13002320323 its reverse (32302320031), we get a palindrome (45304640354).

The spelling of 13002320323 in words is "thirteen billion, two million, three hundred twenty thousand, three hundred twenty-three".