128230383 has 8 divisors (see below), whose sum is σ = 171049648. Its totient is φ = 85449024.

The previous prime is 128230381. The next prime is 128230387. The reversal of 128230383 is 383032821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128230383 - 2¹ = 128230381 is a prime.

It is a super-2 number, since 2×128230383² = 32886062248653378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128230383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128230381) 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, 316 + ... + 16017.

It is an arithmetic number, because the mean of its divisors is an integer number (21381206).

Almost surely, 2^128230383 is an apocalyptic number.

128230383 is a deficient number, since it is larger than the sum of its proper divisors (42819265).

128230383 is a wasteful number, since it uses less digits than its factorization.

128230383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18953.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 128230383 is about 11323.8855080754. The cubic root of 128230383 is about 504.2705974781.

The spelling of 128230383 in words is "one hundred twenty-eight million, two hundred thirty thousand, three hundred eighty-three".