5123530000 has 50 divisors (see below), whose sum is σ = 12404602694. Its totient is φ = 2049408000.

The previous prime is 5123529977. The next prime is 5123530007. The reversal of 5123530000 is 353215.

It can be written as a sum of positive squares in 5 ways, for example, as 1364859136 + 3758670864 = 36944^2 + 61308^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a self number, because there is not a number n which added to its sum of digits gives 5123530000.

It is not an unprimeable number, because it can be changed into a prime (5123530007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 246177 + ... + 266176.

Almost surely, 2^5123530000 is an apocalyptic number.

5123530000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5123530000 is an abundant number, since it is smaller than the sum of its proper divisors (7281072694).

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

5123530000 is an equidigital number, since it uses as much as digits as its factorization.

5123530000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512381 (or 512360 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 5123530000 is about 71578.8376547147. The cubic root of 5123530000 is about 1723.9437628237.

Adding to 5123530000 its reverse (353215), we get a palindrome (5123883215).

The spelling of 5123530000 in words is "five billion, one hundred twenty-three million, five hundred thirty thousand".