123166340146 has 8 divisors (see below), whose sum is σ = 184753451520. Its totient is φ = 61581856308.

The previous prime is 123166340119. The next prime is 123166340149. The reversal of 123166340146 is 641043661321.

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

It is not an unprimeable number, because it can be changed into a prime (123166340149) by changing a digit.

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, 535186 + ... + 729901.

It is an arithmetic number, because the mean of its divisors is an integer number (23094181440).

Almost surely, 2^123166340146 is an apocalyptic number.

123166340146 is a deficient number, since it is larger than the sum of its proper divisors (61587111374).

123166340146 is a wasteful number, since it uses less digits than its factorization.

123166340146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313768.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 123166340146 in words is "one hundred twenty-three billion, one hundred sixty-six million, three hundred forty thousand, one hundred forty-six".