13220122323 has 16 divisors (see below), whose sum is σ = 18238154400. Its totient is φ = 8507869440.

The previous prime is 13220122319. The next prime is 13220122339. The reversal of 13220122323 is 32322102231.

It is a happy number.

It is not a de Polignac number, because 13220122323 - 2² = 13220122319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13220122323.

It is not an unprimeable number, because it can be changed into a prime (13220122313) 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, 578743 + ... + 601151.

It is an arithmetic number, because the mean of its divisors is an integer number (1139884650).

Almost surely, 2^13220122323 is an apocalyptic number.

13220122323 is a deficient number, since it is larger than the sum of its proper divisors (5018032077).

13220122323 is a wasteful number, since it uses less digits than its factorization.

13220122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29222.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13220122323 its reverse (32322102231), we get a palindrome (45542224554).

The spelling of 13220122323 in words is "thirteen billion, two hundred twenty million, one hundred twenty-two thousand, three hundred twenty-three".