502556113623 has 16 divisors (see below), whose sum is σ = 676295813600. Its totient is φ = 331927580160.

The previous prime is 502556113603. The next prime is 502556113681. The reversal of 502556113623 is 326311655205.

It is not a de Polignac number, because 502556113623 - 2¹⁶ = 502556048087 is a prime.

It is a super-2 number, since 2×502556113623² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502556113603) 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, 3115803 + ... + 3273123.

It is an arithmetic number, because the mean of its divisors is an integer number (42268488350).

Almost surely, 2^502556113623 is an apocalyptic number.

502556113623 is a deficient number, since it is larger than the sum of its proper divisors (173739699977).

502556113623 is a wasteful number, since it uses less digits than its factorization.

502556113623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167202.

The product of its (nonzero) digits is 162000, while the sum is 39.

Adding to 502556113623 its reverse (326311655205), we get a palindrome (828867768828).

The spelling of 502556113623 in words is "five hundred two billion, five hundred fifty-six million, one hundred thirteen thousand, six hundred twenty-three".