50040123231 has 64 divisors (see below), whose sum is σ = 80124088320. Its totient is φ = 27180126720.

The previous prime is 50040123209. The next prime is 50040123241. The reversal of 50040123231 is 13232104005.

It is not a de Polignac number, because 50040123231 - 2¹⁰ = 50040122207 is a prime.

It is a super-2 number, since 2×50040123231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 50040123198 and 50040123207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50040123241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29981265 + ... + 29982933.

It is an arithmetic number, because the mean of its divisors is an integer number (1251938880).

Almost surely, 2^50040123231 is an apocalyptic number.

50040123231 is a deficient number, since it is larger than the sum of its proper divisors (30083965089).

50040123231 is a wasteful number, since it uses less digits than its factorization.

50040123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 50040123231 its reverse (13232104005), we get a palindrome (63272227236).

The spelling of 50040123231 in words is "fifty billion, forty million, one hundred twenty-three thousand, two hundred thirty-one".