13423511125522 has 8 divisors (see below), whose sum is σ = 20135346304572. Its totient is φ = 6711729024000.

The previous prime is 13423511125501. The next prime is 13423511125529. The reversal of 13423511125522 is 22552111532431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13325135430321 + 98375695201 = 3650361^2 + 313649^2 .

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

It is a super-3 number, since 3×13423511125522³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13423511125529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12630979 + ... + 13652422.

Almost surely, 2^{13423511125522} is an apocalyptic number.

13423511125522 is a deficient number, since it is larger than the sum of its proper divisors (6711835179050).

13423511125522 is a wasteful number, since it uses less digits than its factorization.

13423511125522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26538764.

The product of its digits is 72000, while the sum is 37.

Adding to 13423511125522 its reverse (22552111532431), we get a palindrome (35975622657953).

The spelling of 13423511125522 in words is "thirteen trillion, four hundred twenty-three billion, five hundred eleven million, one hundred twenty-five thousand, five hundred twenty-two".