123185 has 8 divisors (see below), whose sum is σ = 150336. Its totient is φ = 96880.

The previous prime is 123169. The next prime is 123191. The reversal of 123185 is 581321.

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

It is not a de Polignac number, because 123185 - 2⁴ = 123169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182 + ... + 528.

It is an arithmetic number, because the mean of its divisors is an integer number (18792).

2¹²³¹⁸⁵ is an apocalyptic number.

It is an amenable number.

123185 is a deficient number, since it is larger than the sum of its proper divisors (27151).

123185 is an equidigital number, since it uses as much as digits as its factorization.

123185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its digits is 240, while the sum is 20.

The square root of 123185 is about 350.9772072372. The cubic root of 123185 is about 49.7568191792.

The spelling of 123185 in words is "one hundred twenty-three thousand, one hundred eighty-five".