503423563045 has 16 divisors (see below), whose sum is σ = 652926823920. Its totient is φ = 370416835584.

The previous prime is 503423563037. The next prime is 503423563063. The reversal of 503423563045 is 540365324305.

It can be written as a sum of positive squares in 8 ways, for example, as 55617675556 + 447805887489 = 235834^2 + 669183^2 .

It is a cyclic number.

It is not a de Polignac number, because 503423563045 - 2³ = 503423563037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503423562989 and 503423563007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13962100 + ... + 13998109.

It is an arithmetic number, because the mean of its divisors is an integer number (40807926495).

Almost surely, 2^503423563045 is an apocalyptic number.

It is an amenable number.

503423563045 is a deficient number, since it is larger than the sum of its proper divisors (149503260875).

503423563045 is a wasteful number, since it uses less digits than its factorization.

503423563045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27960504.

The product of its (nonzero) digits is 648000, while the sum is 40.

The spelling of 503423563045 in words is "five hundred three billion, four hundred twenty-three million, five hundred sixty-three thousand, forty-five".