323125130500 has 24 divisors (see below), whose sum is σ = 705705286104. Its totient is φ = 129250052000.

The previous prime is 323125130473. The next prime is 323125130501. The reversal of 323125130500 is 5031521323.

It can be written as a sum of positive squares in 4 ways, for example, as 1588500736 + 321536629764 = 39856^2 + 567042^2 .

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

It is not an unprimeable number, because it can be changed into a prime (323125130501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 323124631 + ... + 323125630.

It is an arithmetic number, because the mean of its divisors is an integer number (29404386921).

Almost surely, 2^323125130500 is an apocalyptic number.

It is an amenable number.

323125130500 is an abundant number, since it is smaller than the sum of its proper divisors (382580155604).

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

323125130500 is a wasteful number, since it uses less digits than its factorization.

323125130500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646250280 (or 646250268 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 323125130500 its reverse (5031521323), we get a palindrome (328156651823).

The spelling of 323125130500 in words is "three hundred twenty-three billion, one hundred twenty-five million, one hundred thirty thousand, five hundred".