188923 has 8 divisors (see below), whose sum is σ = 218592. Its totient is φ = 159936.

The previous prime is 188911. The next prime is 188927. The reversal of 188923 is 329881.

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

It is not a de Polignac number, because 188923 - 2⁵ = 188891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861 + ... + 1057.

It is an arithmetic number, because the mean of its divisors is an integer number (27324).

2¹⁸⁸⁹²³ is an apocalyptic number.

188923 is a deficient number, since it is larger than the sum of its proper divisors (29669).

188923 is a wasteful number, since it uses less digits than its factorization.

188923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its digits is 3456, while the sum is 31.

The square root of 188923 is about 434.6527349506. The cubic root of 188923 is about 57.3801410012.

It can be divided in two parts, 188 and 923, that added together give a palindrome (1111).

The spelling of 188923 in words is "one hundred eighty-eight thousand, nine hundred twenty-three".