503430626103 has 4 divisors (see below), whose sum is σ = 671240834808. Its totient is φ = 335620417400.

The previous prime is 503430626089. The next prime is 503430626107. The reversal of 503430626103 is 301626034305.

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 503430626103 - 2¹⁰ = 503430625079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503430626107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83905104348 + ... + 83905104353.

It is an arithmetic number, because the mean of its divisors is an integer number (167810208702).

Almost surely, 2^503430626103 is an apocalyptic number.

503430626103 is a deficient number, since it is larger than the sum of its proper divisors (167810208705).

503430626103 is a wasteful number, since it uses less digits than its factorization.

503430626103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167810208704.

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 503430626103 in words is "five hundred three billion, four hundred thirty million, six hundred twenty-six thousand, one hundred three".