13021122423 has 8 divisors (see below), whose sum is σ = 17367636208. Its totient is φ = 8677678464.

The previous prime is 13021122397. The next prime is 13021122487. The reversal of 13021122423 is 32422112031.

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

It is not a de Polignac number, because 13021122423 - 2¹⁴ = 13021106039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13021122423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021126423) 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, 757540 + ... + 774537.

It is an arithmetic number, because the mean of its divisors is an integer number (2170954526).

Almost surely, 2^13021122423 is an apocalyptic number.

13021122423 is a deficient number, since it is larger than the sum of its proper divisors (4346513785).

13021122423 is a wasteful number, since it uses less digits than its factorization.

13021122423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534913.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13021122423 its reverse (32422112031), we get a palindrome (45443234454).

The spelling of 13021122423 in words is "thirteen billion, twenty-one million, one hundred twenty-two thousand, four hundred twenty-three".