123327855 has 36 divisors (see below), whose sum is σ = 248673672. Its totient is φ = 56377440.

The previous prime is 123327851. The next prime is 123327857. The reversal of 123327855 is 558723321.

It is a happy number.

It is not a de Polignac number, because 123327855 - 2² = 123327851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123327851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25761 + ... + 30170.

It is an arithmetic number, because the mean of its divisors is an integer number (6907602).

Almost surely, 2^123327855 is an apocalyptic number.

123327855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123327855 is an abundant number, since it is smaller than the sum of its proper divisors (125345817).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123327855 is a wasteful number, since it uses less digits than its factorization.

123327855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55956 (or 55946 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 123327855 is about 11105.3075148777. The cubic root of 123327855 is about 497.7604572062.

The spelling of 123327855 in words is "one hundred twenty-three million, three hundred twenty-seven thousand, eight hundred fifty-five".