128232355 has 8 divisors (see below), whose sum is σ = 153972000. Its totient is φ = 102523776.

The previous prime is 128232353. The next prime is 128232361. The reversal of 128232355 is 553232821.

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

It is a cyclic number.

It is not a de Polignac number, because 128232355 - 2¹ = 128232353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128232353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2571 + ... + 16219.

It is an arithmetic number, because the mean of its divisors is an integer number (19246500).

Almost surely, 2^128232355 is an apocalyptic number.

128232355 is a deficient number, since it is larger than the sum of its proper divisors (25739645).

128232355 is a wasteful number, since it uses less digits than its factorization.

128232355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15533.

The product of its digits is 14400, while the sum is 31.

The square root of 128232355 is about 11323.9725803271. The cubic root of 128232355 is about 504.2731824519.

The spelling of 128232355 in words is "one hundred twenty-eight million, two hundred thirty-two thousand, three hundred fifty-five".