502042123322143 has 4 divisors (see below), whose sum is σ = 502042173172720. Its totient is φ = 502042073471568.

The previous prime is 502042123322071. The next prime is 502042123322161. The reversal of 502042123322143 is 341223321240205.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502042123322143 is a prime.

It is a super-2 number, since 2×502042123322143² (a number of 30 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 = 502042123322099 and 502042123322108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502042123322183) 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, 3916083 + ... + 31928356.

It is an arithmetic number, because the mean of its divisors is an integer number (125510543293180).

Almost surely, 2^{502042123322143} is an apocalyptic number.

502042123322143 is a deficient number, since it is larger than the sum of its proper divisors (49850577).

502042123322143 is a wasteful number, since it uses less digits than its factorization.

502042123322143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49850576.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 502042123322143 its reverse (341223321240205), we get a palindrome (843265444562348).

The spelling of 502042123322143 in words is "five hundred two trillion, forty-two billion, one hundred twenty-three million, three hundred twenty-two thousand, one hundred forty-three".