503113143 has 8 divisors (see below), whose sum is σ = 722418928. Its totient is φ = 309608064.

The previous prime is 503113133. The next prime is 503113187. The reversal of 503113143 is 341311305.

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

It is not a de Polignac number, because 503113143 - 2⁵ = 503113111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503113123) 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, 6450130 + ... + 6450207.

It is an arithmetic number, because the mean of its divisors is an integer number (90302366).

Almost surely, 2^503113143 is an apocalyptic number.

503113143 is a deficient number, since it is larger than the sum of its proper divisors (219305785).

503113143 is a wasteful number, since it uses less digits than its factorization.

503113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12900353.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 503113143 is about 22430.1837486901. The cubic root of 503113143 is about 795.3443877964.

Adding to 503113143 its reverse (341311305), we get a palindrome (844424448).

The spelling of 503113143 in words is "five hundred three million, one hundred thirteen thousand, one hundred forty-three".