108857923 has 8 divisors (see below), whose sum is σ = 109985792. Its totient is φ = 107734536.

The previous prime is 108857921. The next prime is 108857929. The reversal of 108857923 is 329758801.

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 108857923 - 2¹ = 108857921 is a prime.

It is the 10434-th Hogben number.

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 108857923.

It is not an unprimeable number, because it can be changed into a prime (108857921) by changing a digit.

It is a nontrivial repunit in base 10433.

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, 68686 + ... + 70252.

It is an arithmetic number, because the mean of its divisors is an integer number (13748224).

Almost surely, 2^108857923 is an apocalyptic number.

108857923 is a deficient number, since it is larger than the sum of its proper divisors (1127869).

108857923 is a wasteful number, since it uses less digits than its factorization.

108857923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 108857923 is about 10433.5000359419. The cubic root of 108857923 is about 477.4779800341.

The spelling of 108857923 in words is "one hundred eight million, eight hundred fifty-seven thousand, nine hundred twenty-three".