503223452512 has 96 divisors (see below), whose sum is σ = 1135893507840. Its totient is φ = 217218270720.

The previous prime is 503223452509. The next prime is 503223452591. The reversal of 503223452512 is 215254322305.

It is a super-2 number, since 2×503223452512² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901758 + ... + 1348930.

It is an arithmetic number, because the mean of its divisors is an integer number (11832224040).

Almost surely, 2^503223452512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503223452512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567946753920).

503223452512 is an abundant number, since it is smaller than the sum of its proper divisors (632670055328).

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

503223452512 is a wasteful number, since it uses less digits than its factorization.

503223452512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447356 (or 447348 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 503223452512 its reverse (215254322305), we get a palindrome (718477774817).

The spelling of 503223452512 in words is "five hundred three billion, two hundred twenty-three million, four hundred fifty-two thousand, five hundred twelve".