123606066 has 16 divisors (see below), whose sum is σ = 247472064. Its totient is φ = 41158704.

The previous prime is 123606061. The next prime is 123606073. The reversal of 123606066 is 660606321.

It is not an unprimeable number, because it can be changed into a prime (123606061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4350 + ... + 16313.

It is an arithmetic number, because the mean of its divisors is an integer number (15467004).

Almost surely, 2^123606066 is an apocalyptic number.

123606066 is an abundant number, since it is smaller than the sum of its proper divisors (123865998).

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

123606066 is a wasteful number, since it uses less digits than its factorization.

123606066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21665.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 123606066 is about 11117.8264962177. The cubic root of 123606066 is about 498.1344695824.

The spelling of 123606066 in words is "one hundred twenty-three million, six hundred six thousand, sixty-six".