503234362530 has 192 divisors, whose sum is σ = 1354314753792. Its totient is φ = 129564610560.

The previous prime is 503234362489. The next prime is 503234362531. The reversal of 503234362530 is 35263432305.

503234362530 is a `hidden beast` number, since 5 + 0 + 3 + 23 + 4 + 3 + 625 + 3 + 0 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (503234362531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 351174694 + ... + 351176126.

It is an arithmetic number, because the mean of its divisors is an integer number (7053722676).

Almost surely, 2^503234362530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503234362530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677157376896).

503234362530 is an abundant number, since it is smaller than the sum of its proper divisors (851080391262).

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

503234362530 is a wasteful number, since it uses less digits than its factorization.

503234362530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2470 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

Adding to 503234362530 its reverse (35263432305), we get a palindrome (538497794835).

The spelling of 503234362530 in words is "five hundred three billion, two hundred thirty-four million, three hundred sixty-two thousand, five hundred thirty".