123255158106 has 32 divisors (see below), whose sum is σ = 261077575680. Its totient is φ = 38658410496.

The previous prime is 123255158051. The next prime is 123255158171. The reversal of 123255158106 is 601851552321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252330 + ... + 556938.

It is an arithmetic number, because the mean of its divisors is an integer number (8158674240).

Almost surely, 2^123255158106 is an apocalyptic number.

123255158106 is an abundant number, since it is smaller than the sum of its proper divisors (137822417574).

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

123255158106 is a wasteful number, since it uses less digits than its factorization.

123255158106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308598.

The product of its (nonzero) digits is 72000, while the sum is 39.

The spelling of 123255158106 in words is "one hundred twenty-three billion, two hundred fifty-five million, one hundred fifty-eight thousand, one hundred six".