109638023 has 8 divisors (see below), whose sum is σ = 119686656. Its totient is φ = 99603000.

The previous prime is 109638019. The next prime is 109638029. The reversal of 109638023 is 320836901.

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

It is a cyclic number.

It is not a de Polignac number, because 109638023 - 2² = 109638019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109638029) 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, 21248 + ... + 25898.

It is an arithmetic number, because the mean of its divisors is an integer number (14960832).

Almost surely, 2^109638023 is an apocalyptic number.

109638023 is a deficient number, since it is larger than the sum of its proper divisors (10048633).

109638023 is a wasteful number, since it uses less digits than its factorization.

109638023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 109638023 is about 10470.8176853577. The cubic root of 109638023 is about 478.6158373072.

The spelling of 109638023 in words is "one hundred nine million, six hundred thirty-eight thousand, twenty-three".