20422341133123 has 4 divisors (see below), whose sum is σ = 20807668324368. Its totient is φ = 20037013941880.

The previous prime is 20422341133111. The next prime is 20422341133169. The reversal of 20422341133123 is 32133114322402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20422341133123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20425341133123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192663595543 + ... + 192663595648.

It is an arithmetic number, because the mean of its divisors is an integer number (5201917081092).

Almost surely, 2^{20422341133123} is an apocalyptic number.

20422341133123 is a deficient number, since it is larger than the sum of its proper divisors (385327191245).

20422341133123 is an equidigital number, since it uses as much as digits as its factorization.

20422341133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385327191244.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 20422341133123 its reverse (32133114322402), we get a palindrome (52555455455525).

The spelling of 20422341133123 in words is "twenty trillion, four hundred twenty-two billion, three hundred forty-one million, one hundred thirty-three thousand, one hundred twenty-three".