109872323 has 16 divisors (see below), whose sum is σ = 123088896. Its totient is φ = 97218240.

The previous prime is 109872319. The next prime is 109872341. The reversal of 109872323 is 323278901.

It is a Cunningham number, because it is equal to 10482²-1.

It is a cyclic number.

It is not a de Polignac number, because 109872323 - 2² = 109872319 is a prime.

It is a super-2 number, since 2×109872323² = 24143854722832658, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109872023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114815 + ... + 115767.

It is an arithmetic number, because the mean of its divisors is an integer number (7693056).

Almost surely, 2^109872323 is an apocalyptic number.

109872323 is a deficient number, since it is larger than the sum of its proper divisors (13216573).

109872323 is a wasteful number, since it uses less digits than its factorization.

109872323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 109872323 is about 10481.9999522992. Note that the first 4 decimals coincide. The cubic root of 109872323 is about 478.9565339022.

The spelling of 109872323 in words is "one hundred nine million, eight hundred seventy-two thousand, three hundred twenty-three".