503103743 has 16 divisors (see below), whose sum is σ = 534293760. Its totient is φ = 472953600.

The previous prime is 503103707. The next prime is 503103751. The reversal of 503103743 is 347301305.

It is a cyclic number.

It is not a de Polignac number, because 503103743 - 2¹² = 503099647 is a prime.

It is a super-2 number, since 2×503103743² = 506226752441220098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503103703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351353 + ... + 352781.

It is an arithmetic number, because the mean of its divisors is an integer number (33393360).

Almost surely, 2^503103743 is an apocalyptic number.

503103743 is a deficient number, since it is larger than the sum of its proper divisors (31190017).

503103743 is a wasteful number, since it uses less digits than its factorization.

503103743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 503103743 is about 22429.9742086343. The cubic root of 503103743 is about 795.3394344482.

The spelling of 503103743 in words is "five hundred three million, one hundred three thousand, seven hundred forty-three".