123168242 has 8 divisors (see below), whose sum is σ = 184801500. Its totient is φ = 61567744.

The previous prime is 123168209. The next prime is 123168271. The reversal of 123168242 is 242861321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122301481 + 866761 = 11059^2 + 931^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 6434 + ... + 16962.

Almost surely, 2^123168242 is an apocalyptic number.

123168242 is a deficient number, since it is larger than the sum of its proper divisors (61633258).

123168242 is a wasteful number, since it uses less digits than its factorization.

123168242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16380.

The product of its digits is 4608, while the sum is 29.

The square root of 123168242 is about 11098.1188496069. The cubic root of 123168242 is about 497.5456278278.

The spelling of 123168242 in words is "one hundred twenty-three million, one hundred sixty-eight thousand, two hundred forty-two".