188123 has 8 divisors (see below), whose sum is σ = 210000. Its totient is φ = 167328.

The previous prime is 188107. The next prime is 188137. The reversal of 188123 is 321881.

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 188123 - 2⁴ = 188107 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 (188143) 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, 128 + ... + 626.

It is an arithmetic number, because the mean of its divisors is an integer number (26250).

2¹⁸⁸¹²³ is an apocalyptic number.

188123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

188123 is a deficient number, since it is larger than the sum of its proper divisors (21877).

188123 is a wasteful number, since it uses less digits than its factorization.

188123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its digits is 384, while the sum is 23.

The square root of 188123 is about 433.7314837546. The cubic root of 188123 is about 57.2990337781.

The spelling of 188123 in words is "one hundred eighty-eight thousand, one hundred twenty-three".