109193423 has 4 divisors (see below), whose sum is σ = 110274648. Its totient is φ = 108112200.

The previous prime is 109193407. The next prime is 109193429. The reversal of 109193423 is 324391901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109193423 - 2⁴ = 109193407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109193423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109193429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540461 + ... + 540662.

It is an arithmetic number, because the mean of its divisors is an integer number (27568662).

Almost surely, 2^109193423 is an apocalyptic number.

109193423 is a deficient number, since it is larger than the sum of its proper divisors (1081225).

109193423 is a wasteful number, since it uses less digits than its factorization.

109193423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081224.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 109193423 is about 10449.5656847546. The cubic root of 109193423 is about 477.9680058300.

The spelling of 109193423 in words is "one hundred nine million, one hundred ninety-three thousand, four hundred twenty-three".