503454045523 has 8 divisors (see below), whose sum is σ = 591470487216. Its totient is φ = 422478919200.

The previous prime is 503454045499. The next prime is 503454045539. The reversal of 503454045523 is 325540454305.

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

It is not a de Polignac number, because 503454045523 - 2⁹ = 503454045011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503454045583) 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 7 ways as a sum of consecutive naturals, for example, 1760328688 + ... + 1760328973.

It is an arithmetic number, because the mean of its divisors is an integer number (73933810902).

Almost surely, 2^503454045523 is an apocalyptic number.

503454045523 is a deficient number, since it is larger than the sum of its proper divisors (88016441693).

503454045523 is a wasteful number, since it uses less digits than its factorization.

503454045523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520657685.

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 503454045523 its reverse (325540454305), we get a palindrome (828994499828).

The spelling of 503454045523 in words is "five hundred three billion, four hundred fifty-four million, forty-five thousand, five hundred twenty-three".