503045332455423 has 16 divisors (see below), whose sum is σ = 671445830471040. Its totient is φ = 335004205737696.

The previous prime is 503045332455409. The next prime is 503045332455451. The reversal of 503045332455423 is 324554233540305.

It is a happy number.

It is not a de Polignac number, because 503045332455423 - 2¹² = 503045332451327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503045332455403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185560836 + ... + 188252262.

It is an arithmetic number, because the mean of its divisors is an integer number (41965364404440).

Almost surely, 2^{503045332455423} is an apocalyptic number.

503045332455423 is a deficient number, since it is larger than the sum of its proper divisors (168400498015617).

503045332455423 is a wasteful number, since it uses less digits than its factorization.

503045332455423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758166.

The product of its (nonzero) digits is 12960000, while the sum is 48.

Adding to 503045332455423 its reverse (324554233540305), we get a palindrome (827599565995728).

The spelling of 503045332455423 in words is "five hundred three trillion, forty-five billion, three hundred thirty-two million, four hundred fifty-five thousand, four hundred twenty-three".