13123340510323 has 4 divisors (see below), whose sum is σ = 13217753032120. Its totient is φ = 13028927988528.

The previous prime is 13123340510239. The next prime is 13123340510333. The reversal of 13123340510323 is 32301504332131.

It is a happy number.

13123340510323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13123340510323 - 2²⁹ = 13122803639411 is a prime.

It is a super-2 number, since 2×13123340510323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123340510333) 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, 47206260690 + ... + 47206260967.

It is an arithmetic number, because the mean of its divisors is an integer number (3304438258030).

Almost surely, 2^{13123340510323} is an apocalyptic number.

13123340510323 is a deficient number, since it is larger than the sum of its proper divisors (94412521797).

13123340510323 is an equidigital number, since it uses as much as digits as its factorization.

13123340510323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94412521796.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 13123340510323 its reverse (32301504332131), we get a palindrome (45424844842454).

The spelling of 13123340510323 in words is "thirteen trillion, one hundred twenty-three billion, three hundred forty million, five hundred ten thousand, three hundred twenty-three".