13043321041123 has 4 divisors (see below), whose sum is σ = 13043374487208. Its totient is φ = 13043267595040.

The previous prime is 13043321041099. The next prime is 13043321041139. The reversal of 13043321041123 is 32114012334031.

13043321041123 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 13043321041123 - 2⁹ = 13043321040611 is a prime.

It is a super-2 number, since 2×13043321041123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13043321041091 and 13043321041100.

It is not an unprimeable number, because it can be changed into a prime (13043321041183) 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, 26355286 + ... + 26845627.

It is an arithmetic number, because the mean of its divisors is an integer number (3260843621802).

Almost surely, 2^{13043321041123} is an apocalyptic number.

13043321041123 is a deficient number, since it is larger than the sum of its proper divisors (53446085).

13043321041123 is an equidigital number, since it uses as much as digits as its factorization.

13043321041123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53446084.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 13043321041123 its reverse (32114012334031), we get a palindrome (45157333375154).

The spelling of 13043321041123 in words is "thirteen trillion, forty-three billion, three hundred twenty-one million, forty-one thousand, one hundred twenty-three".