109923385806 has 96 divisors (see below), whose sum is σ = 276178986720. Its totient is φ = 31293407232.

The previous prime is 109923385769. The next prime is 109923385829. The reversal of 109923385806 is 608583329901.

109923385806 is a `hidden beast` number, since 1 + 0 + 9 + 9 + 23 + 38 + 580 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 526 + ... + 468878.

It is an arithmetic number, because the mean of its divisors is an integer number (2876864445).

Almost surely, 2^109923385806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109923385806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138089493360).

109923385806 is an abundant number, since it is smaller than the sum of its proper divisors (166255600914).

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

109923385806 is a wasteful number, since it uses less digits than its factorization.

109923385806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468450 (or 468447 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 109923385806 in words is "one hundred nine billion, nine hundred twenty-three million, three hundred eighty-five thousand, eight hundred six".