503023223003 has 4 divisors (see below), whose sum is σ = 574883683440. Its totient is φ = 431162762568.

The previous prime is 503023222973. The next prime is 503023223023. The reversal of 503023223003 is 300322320305.

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 503023223003 - 2¹⁰ = 503023221979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503023223003.

It is not an unprimeable number, because it can be changed into a prime (503023223023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35930230208 + ... + 35930230221.

It is an arithmetic number, because the mean of its divisors is an integer number (143720920860).

Almost surely, 2^503023223003 is an apocalyptic number.

503023223003 is a deficient number, since it is larger than the sum of its proper divisors (71860460437).

503023223003 is an equidigital number, since it uses as much as digits as its factorization.

503023223003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71860460436.

The product of its (nonzero) digits is 3240, while the sum is 23.

Adding to 503023223003 its reverse (300322320305), we get a palindrome (803345543308).

The spelling of 503023223003 in words is "five hundred three billion, twenty-three million, two hundred twenty-three thousand, three".