128323050 has 48 divisors (see below), whose sum is σ = 322628160. Its totient is φ = 33747840.

The previous prime is 128323031. The next prime is 128323061. The reversal of 128323050 is 50323821.

It is a super-2 number, since 2×128323050² = 32933610322605000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128323050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5091 + ... + 16809.

It is an arithmetic number, because the mean of its divisors is an integer number (6721420).

Almost surely, 2^128323050 is an apocalyptic number.

128323050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 128323050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161314080).

128323050 is an abundant number, since it is smaller than the sum of its proper divisors (194305110).

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

128323050 is a wasteful number, since it uses less digits than its factorization.

128323050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11807 (or 11802 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 128323050 is about 11327.9764300602. The cubic root of 128323050 is about 504.3920403334.

Adding to 128323050 its reverse (50323821), we get a palindrome (178646871).

The spelling of 128323050 in words is "one hundred twenty-eight million, three hundred twenty-three thousand, fifty".