50105001123 has 6 divisors (see below), whose sum is σ = 72373890524. Its totient is φ = 33403334076.

The previous prime is 50105001109. The next prime is 50105001131. The reversal of 50105001123 is 32110050105.

50105001123 is a `hidden beast` number, since 50 + 1 + 0 + 500 + 112 + 3 = 666.

It is not a de Polignac number, because 50105001123 - 2⁹ = 50105000611 is a prime.

It is a super-2 number, since 2×50105001123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50105001096 and 50105001105.

It is not an unprimeable number, because it can be changed into a prime (50105001523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2783611165 + ... + 2783611182.

Almost surely, 2^50105001123 is an apocalyptic number.

50105001123 is a deficient number, since it is larger than the sum of its proper divisors (22268889401).

50105001123 is a wasteful number, since it uses less digits than its factorization.

50105001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567222353 (or 5567222350 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 50105001123 its reverse (32110050105), we get a palindrome (82215051228).

The spelling of 50105001123 in words is "fifty billion, one hundred five million, one thousand, one hundred twenty-three".