13420424123 has 8 divisors (see below), whose sum is σ = 14042937600. Its totient is φ = 12801162088.

The previous prime is 13420424081. The next prime is 13420424153. The reversal of 13420424123 is 32142402431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13420424123 - 2⁸ = 13420423867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13420424092 and 13420424101.

It is not an unprimeable number, because it can be changed into a prime (13420424153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804413 + ... + 820926.

It is an arithmetic number, because the mean of its divisors is an integer number (1755367200).

Almost surely, 2^13420424123 is an apocalyptic number.

13420424123 is a deficient number, since it is larger than the sum of its proper divisors (622513477).

13420424123 is a wasteful number, since it uses less digits than its factorization.

13420424123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625721.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13420424123 its reverse (32142402431), we get a palindrome (45562826554).

The spelling of 13420424123 in words is "thirteen billion, four hundred twenty million, four hundred twenty-four thousand, one hundred twenty-three".