123122235255 has 16 divisors (see below), whose sum is σ = 207363765120. Its totient is φ = 62209129248.

The previous prime is 123122235199. The next prime is 123122235283. The reversal of 123122235255 is 552532221321.

It is not a de Polignac number, because 123122235255 - 2⁸ = 123122234999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216003637 + ... + 216004206.

It is an arithmetic number, because the mean of its divisors is an integer number (12960235320).

Almost surely, 2^123122235255 is an apocalyptic number.

123122235255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123122235255 is a deficient number, since it is larger than the sum of its proper divisors (84241529865).

123122235255 is a wasteful number, since it uses less digits than its factorization.

123122235255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432007870.

The product of its digits is 36000, while the sum is 33.

Adding to 123122235255 its reverse (552532221321), we get a palindrome (675654456576).

The spelling of 123122235255 in words is "one hundred twenty-three billion, one hundred twenty-two million, two hundred thirty-five thousand, two hundred fifty-five".