50001031123 has 8 divisors (see below), whose sum is σ = 54447584400. Its totient is φ = 45735969888.

The previous prime is 50001031109. The next prime is 50001031133. The reversal of 50001031123 is 32113010005.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50001031123 is a prime.

It is a super-2 number, since 2×50001031123² (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 = 50001031097 and 50001031106.

It is not an unprimeable number, because it can be changed into a prime (50001031133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45372436 + ... + 45373537.

It is an arithmetic number, because the mean of its divisors is an integer number (6805948050).

Almost surely, 2^50001031123 is an apocalyptic number.

50001031123 is a deficient number, since it is larger than the sum of its proper divisors (4446553277).

50001031123 is a wasteful number, since it uses less digits than its factorization.

50001031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90746021.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 50001031123 its reverse (32113010005), we get a palindrome (82114041128).

The spelling of 50001031123 in words is "fifty billion, one million, thirty-one thousand, one hundred twenty-three".