503234530000 has 200 divisors, whose sum is σ = 1229431480992. Its totient is φ = 199477824000.

The previous prime is 503234529977. The next prime is 503234530033. The reversal of 503234530000 is 35432305.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (25).

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 39 ways as a sum of consecutive naturals, for example, 919989727 + ... + 919990273.

Almost surely, 2^503234530000 is an apocalyptic number.

503234530000 is a gapful number since it is divisible by the number (50) 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 503234530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614715740496).

503234530000 is an abundant number, since it is smaller than the sum of its proper divisors (726196950992).

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

503234530000 is a wasteful number, since it uses less digits than its factorization.

503234530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 25.

Adding to 503234530000 its reverse (35432305), we get a palindrome (503269962305).

The spelling of 503234530000 in words is "five hundred three billion, two hundred thirty-four million, five hundred thirty thousand".