20423133313122 has 8 divisors (see below), whose sum is σ = 40846266626256. Its totient is φ = 6807711104372.

The previous prime is 20423133313087. The next prime is 20423133313123. The reversal of 20423133313122 is 22131333132402.

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

20423133313122 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20423133313122.

It is not an unprimeable number, because it can be changed into a prime (20423133313123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701927776088 + ... + 1701927776099.

It is an arithmetic number, because the mean of its divisors is an integer number (5105783328282).

Almost surely, 2^{20423133313122} is an apocalyptic number.

20423133313122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20423133313122 is a wasteful number, since it uses less digits than its factorization.

20423133313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403855552192.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 20423133313122 its reverse (22131333132402), we get a palindrome (42554466445524).

The spelling of 20423133313122 in words is "twenty trillion, four hundred twenty-three billion, one hundred thirty-three million, three hundred thirteen thousand, one hundred twenty-two".