503420124003 has 4 divisors (see below), whose sum is σ = 671226832008. Its totient is φ = 335613416000.

The previous prime is 503420124001. The next prime is 503420124047. The reversal of 503420124003 is 300421024305.

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 503420124003 - 2¹ = 503420124001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503420124001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83903353998 + ... + 83903354003.

It is an arithmetic number, because the mean of its divisors is an integer number (167806708002).

Almost surely, 2^503420124003 is an apocalyptic number.

503420124003 is a deficient number, since it is larger than the sum of its proper divisors (167806708005).

503420124003 is a wasteful number, since it uses less digits than its factorization.

503420124003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167806708004.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 503420124003 its reverse (300421024305), we get a palindrome (803841148308).

The spelling of 503420124003 in words is "five hundred three billion, four hundred twenty million, one hundred twenty-four thousand, three".