502042216324123 has 4 divisors (see below), whose sum is σ = 502353463825008. Its totient is φ = 501730968823240.

The previous prime is 502042216324081. The next prime is 502042216324139. The reversal of 502042216324123 is 321423612240205.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 502042216324123 - 2¹⁷ = 502042216193051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502042216324223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155623748023 + ... + 155623751248.

It is an arithmetic number, because the mean of its divisors is an integer number (125588365956252).

Almost surely, 2^{502042216324123} is an apocalyptic number.

502042216324123 is a deficient number, since it is larger than the sum of its proper divisors (311247500885).

502042216324123 is a wasteful number, since it uses less digits than its factorization.

502042216324123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311247500884.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 502042216324123 its reverse (321423612240205), we get a palindrome (823465828564328).

The spelling of 502042216324123 in words is "five hundred two trillion, forty-two billion, two hundred sixteen million, three hundred twenty-four thousand, one hundred twenty-three".