530000723500 has 24 divisors (see below), whose sum is σ = 1157521581216. Its totient is φ = 212000289200.

The previous prime is 530000723477. The next prime is 530000723521. The reversal of 530000723500 is 5327000035.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530000224 + ... + 530001223.

It is an arithmetic number, because the mean of its divisors is an integer number (48230065884).

Almost surely, 2^530000723500 is an apocalyptic number.

530000723500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

530000723500 is an abundant number, since it is smaller than the sum of its proper divisors (627520857716).

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

530000723500 is a wasteful number, since it uses less digits than its factorization.

530000723500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060001466 (or 1060001454 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

Adding to 530000723500 its reverse (5327000035), we get a palindrome (535327723535).

The spelling of 530000723500 in words is "five hundred thirty billion, seven hundred twenty-three thousand, five hundred".