503565320103 has 8 divisors (see below), whose sum is σ = 673111663728. Its totient is φ = 334864594944.

The previous prime is 503565320077. The next prime is 503565320177. The reversal of 503565320103 is 301023565305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 503565320103 - 2⁶ = 503565320039 is a prime.

It is a super-2 number, since 2×503565320103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503565320903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211403226 + ... + 211405607.

It is an arithmetic number, because the mean of its divisors is an integer number (84138957966).

Almost surely, 2^503565320103 is an apocalyptic number.

503565320103 is a deficient number, since it is larger than the sum of its proper divisors (169546343625).

503565320103 is a wasteful number, since it uses less digits than its factorization.

503565320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422809233.

The product of its (nonzero) digits is 40500, while the sum is 33.

Adding to 503565320103 its reverse (301023565305), we get a palindrome (804588885408).

The spelling of 503565320103 in words is "five hundred three billion, five hundred sixty-five million, three hundred twenty thousand, one hundred three".