123238285255 has 8 divisors (see below), whose sum is σ = 148025332224. Its totient is φ = 98497701600.

The previous prime is 123238285237. The next prime is 123238285259. The reversal of 123238285255 is 552582832321.

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

It is not a de Polignac number, because 123238285255 - 2⁵ = 123238285223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123238285259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11609991 + ... + 11620600.

It is an arithmetic number, because the mean of its divisors is an integer number (18503166528).

Almost surely, 2^123238285255 is an apocalyptic number.

123238285255 is a deficient number, since it is larger than the sum of its proper divisors (24787046969).

123238285255 is a wasteful number, since it uses less digits than its factorization.

123238285255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23231657.

The product of its digits is 1152000, while the sum is 46.

The spelling of 123238285255 in words is "one hundred twenty-three billion, two hundred thirty-eight million, two hundred eighty-five thousand, two hundred fifty-five".