123066668895 has 16 divisors (see below), whose sum is σ = 203258499072. Its totient is φ = 63518280480.

The previous prime is 123066668863. The next prime is 123066668899. The reversal of 123066668895 is 598866660321.

It is a happy number.

It is not a de Polignac number, because 123066668895 - 2⁵ = 123066668863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123066668899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132329287 + ... + 132330216.

It is an arithmetic number, because the mean of its divisors is an integer number (12703656192).

Almost surely, 2^123066668895 is an apocalyptic number.

123066668895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123066668895 is a deficient number, since it is larger than the sum of its proper divisors (80191830177).

123066668895 is a wasteful number, since it uses less digits than its factorization.

123066668895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264659542.

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 123066668895 in words is "one hundred twenty-three billion, sixty-six million, six hundred sixty-eight thousand, eight hundred ninety-five".