123235255 has 16 divisors (see below), whose sum is σ = 173736864. Its totient is φ = 82730880.

The previous prime is 123235249. The next prime is 123235267. The reversal of 123235255 is 552532321.

It is not a de Polignac number, because 123235255 - 2⁹ = 123234743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 85464 + ... + 86893.

It is an arithmetic number, because the mean of its divisors is an integer number (10858554).

Almost surely, 2^123235255 is an apocalyptic number.

123235255 is a deficient number, since it is larger than the sum of its proper divisors (50501609).

123235255 is a wasteful number, since it uses less digits than its factorization.

123235255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172386.

The product of its digits is 9000, while the sum is 28.

The square root of 123235255 is about 11101.1375543230. The cubic root of 123235255 is about 497.6358458352.

Adding to 123235255 its reverse (552532321), we get a palindrome (675767576).

It can be divided in two parts, 12323 and 5255, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 123235255 in words is "one hundred twenty-three million, two hundred thirty-five thousand, two hundred fifty-five".