13423402421143 has 16 divisors (see below), whose sum is σ = 15770278119456. Its totient is φ = 11264302909440.

The previous prime is 13423402421081. The next prime is 13423402421257. The reversal of 13423402421143 is 34112420432431.

It is a cyclic number.

It is not a de Polignac number, because 13423402421143 - 2¹³ = 13423402412951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13423402421099 and 13423402421108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423402421843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22090755 + ... + 22690267.

It is an arithmetic number, because the mean of its divisors is an integer number (985642382466).

Almost surely, 2^{13423402421143} is an apocalyptic number.

13423402421143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13423402421143 is a deficient number, since it is larger than the sum of its proper divisors (2346875698313).

13423402421143 is a wasteful number, since it uses less digits than its factorization.

13423402421143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756114.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 13423402421143 its reverse (34112420432431), we get a palindrome (47535822853574).

The spelling of 13423402421143 in words is "thirteen trillion, four hundred twenty-three billion, four hundred two million, four hundred twenty-one thousand, one hundred forty-three".