235728455 has 4 divisors (see below), whose sum is σ = 282874152. Its totient is φ = 188582760.

The previous prime is 235728439. The next prime is 235728473. The reversal of 235728455 is 554827532.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 235728455 - 2⁴ = 235728439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23572841 + ... + 23572850.

It is an arithmetic number, because the mean of its divisors is an integer number (70718538).

Almost surely, 2^235728455 is an apocalyptic number.

235728455 is a deficient number, since it is larger than the sum of its proper divisors (47145697).

235728455 is an equidigital number, since it uses as much as digits as its factorization.

235728455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47145696.

The product of its digits is 336000, while the sum is 41.

The square root of 235728455 is about 15353.4509150223. The cubic root of 235728455 is about 617.7375527742.

The spelling of 235728455 in words is "two hundred thirty-five million, seven hundred twenty-eight thousand, four hundred fifty-five".