503235106452 has 168 divisors, whose sum is σ = 1435257333216. Its totient is φ = 153393217344.

The previous prime is 503235106433. The next prime is 503235106487. The reversal of 503235106452 is 254601532305.

503235106452 is a `hidden beast` number, since 5 + 0 + 3 + 2 + 3 + 5 + 1 + 0 + 645 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 3994123 + ... + 4118189.

It is an arithmetic number, because the mean of its divisors is an integer number (8543198412).

Almost surely, 2^503235106452 is an apocalyptic number.

503235106452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503235106452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717628666608).

503235106452 is an abundant number, since it is smaller than the sum of its proper divisors (932022226764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503235106452 is a wasteful number, since it uses less digits than its factorization.

503235106452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124209 (or 124192 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 503235106452 its reverse (254601532305), we get a palindrome (757836638757).

The spelling of 503235106452 in words is "five hundred three billion, two hundred thirty-five million, one hundred six thousand, four hundred fifty-two".