12343320400513 has 4 divisors (see below), whose sum is σ = 12741492026368. Its totient is φ = 11945148774660.

The previous prime is 12343320400501. The next prime is 12343320400531. The reversal of 12343320400513 is 31500402334321.

It is a happy number.

12343320400513 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12343320400513 - 2¹³ = 12343320392321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 398171625823 = 12343320400513 / (1 + 2 + 3 + 4 + 3 + 3 + 2 + 0 + 4 + 0 + 0 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12343320401513) 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, 199085812881 + ... + 199085812942.

It is an arithmetic number, because the mean of its divisors is an integer number (3185373006592).

Almost surely, 2^{12343320400513} is an apocalyptic number.

It is an amenable number.

12343320400513 is a deficient number, since it is larger than the sum of its proper divisors (398171625855).

12343320400513 is an equidigital number, since it uses as much as digits as its factorization.

12343320400513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398171625854.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 12343320400513 its reverse (31500402334321), we get a palindrome (43843722734834).

The spelling of 12343320400513 in words is "twelve trillion, three hundred forty-three billion, three hundred twenty million, four hundred thousand, five hundred thirteen".