13420423122 has 32 divisors (see below), whose sum is σ = 26974771200. Its totient is φ = 4451184528.

The previous prime is 13420423117. The next prime is 13420423127. The reversal of 13420423122 is 22132402431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13420423117) and next prime (13420423127).

It is a junction number, because it is equal to n+sod(n) for n = 13420423092 and 13420423101.

It is not an unprimeable number, because it can be changed into a prime (13420423127) 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, 2261323 + ... + 2267249.

It is an arithmetic number, because the mean of its divisors is an integer number (842961600).

Almost surely, 2^13420423122 is an apocalyptic number.

13420423122 is an abundant number, since it is smaller than the sum of its proper divisors (13554348078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13420423122 is a wasteful number, since it uses less digits than its factorization.

13420423122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13420423122 its reverse (22132402431), we get a palindrome (35552825553).

The spelling of 13420423122 in words is "thirteen billion, four hundred twenty million, four hundred twenty-three thousand, one hundred twenty-two".