1328230000 has 100 divisors (see below), whose sum is σ = 3233621160. Its totient is φ = 528352000.

The previous prime is 1328229977. The next prime is 1328230031. The reversal of 1328230000 is 328231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a self number, because there is not a number n which added to its sum of digits gives 1328230000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3169791 + ... + 3170209.

Almost surely, 2^1328230000 is an apocalyptic number.

1328230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616810580).

1328230000 is an abundant number, since it is smaller than the sum of its proper divisors (1905391160).

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

1328230000 is an equidigital number, since it uses as much as digits as its factorization.

1328230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1328230000 is about 36444.8899024267. The cubic root of 1328230000 is about 1099.2363846246.

Adding to 1328230000 its reverse (328231), we get a palindrome (1328558231).

The spelling of 1328230000 in words is "one billion, three hundred twenty-eight million, two hundred thirty thousand".