109323391 has 8 divisors (see below), whose sum is σ = 113186304. Its totient is φ = 105481560.

The previous prime is 109323373. The next prime is 109323421. The reversal of 109323391 is 193323901.

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 109323391 - 2⁹ = 109322879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109323341) 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, 5676 + ... + 15838.

It is an arithmetic number, because the mean of its divisors is an integer number (14148288).

Almost surely, 2^109323391 is an apocalyptic number.

109323391 is a deficient number, since it is larger than the sum of its proper divisors (3862913).

109323391 is a wasteful number, since it uses less digits than its factorization.

109323391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10541.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 109323391 is about 10455.7826584144. The cubic root of 109323391 is about 478.1575652189.

The spelling of 109323391 in words is "one hundred nine million, three hundred twenty-three thousand, three hundred ninety-one".