20341717131123 has 12 divisors (see below), whose sum is σ = 30176601390208. Its totient is φ = 13194627328080.

The previous prime is 20341717131067. The next prime is 20341717131137. The reversal of 20341717131123 is 32113171714302.

20341717131123 is a `hidden beast` number, since 20 + 3 + 417 + 1 + 71 + 31 + 123 = 666.

It is not a de Polignac number, because 20341717131123 - 2¹⁰ = 20341717130099 is a prime.

It is a super-2 number, since 2×20341717131123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20341717131023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30543118483 + ... + 30543119148.

Almost surely, 2^{20341717131123} is an apocalyptic number.

20341717131123 is a deficient number, since it is larger than the sum of its proper divisors (9834884259085).

20341717131123 is a wasteful number, since it uses less digits than its factorization.

20341717131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61086237674 (or 61086237671 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

Adding to 20341717131123 its reverse (32113171714302), we get a palindrome (52454888845425).

The spelling of 20341717131123 in words is "twenty trillion, three hundred forty-one billion, seven hundred seventeen million, one hundred thirty-one thousand, one hundred twenty-three".