503234315623 has 16 divisors (see below), whose sum is σ = 543205607616. Its totient is φ = 463444058880.

The previous prime is 503234315593. The next prime is 503234315627. The reversal of 503234315623 is 326513432305.

It is a cyclic number.

It is not a de Polignac number, because 503234315623 - 2²¹ = 503232218471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503234315627) 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, 14413878 + ... + 14448748.

It is an arithmetic number, because the mean of its divisors is an integer number (33950350476).

Almost surely, 2^503234315623 is an apocalyptic number.

503234315623 is a deficient number, since it is larger than the sum of its proper divisors (39971291993).

503234315623 is a wasteful number, since it uses less digits than its factorization.

503234315623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37434.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 503234315623 its reverse (326513432305), we get a palindrome (829747747928).

The spelling of 503234315623 in words is "five hundred three billion, two hundred thirty-four million, three hundred fifteen thousand, six hundred twenty-three".