13422421423243 has 16 divisors (see below), whose sum is σ = 16269270414336. Its totient is φ = 10824312961440.

The previous prime is 13422421423237. The next prime is 13422421423259. The reversal of 13422421423243 is 34232412422431.

It is a cyclic number.

It is not a de Polignac number, because 13422421423243 - 2²¹ = 13422419326091 is a prime.

It is a super-2 number, since 2×13422421423243² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13422421423643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683343271 + ... + 683362912.

It is an arithmetic number, because the mean of its divisors is an integer number (1016829400896).

Almost surely, 2^{13422421423243} is an apocalyptic number.

13422421423243 is a deficient number, since it is larger than the sum of its proper divisors (2846848991093).

13422421423243 is a wasteful number, since it uses less digits than its factorization.

13422421423243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366706274.

The product of its digits is 221184, while the sum is 37.

Adding to 13422421423243 its reverse (34232412422431), we get a palindrome (47654833845674).

The spelling of 13422421423243 in words is "thirteen trillion, four hundred twenty-two billion, four hundred twenty-one million, four hundred twenty-three thousand, two hundred forty-three".