194923 has 4 divisors (see below), whose sum is σ = 195808. Its totient is φ = 194040.

The previous prime is 194917. The next prime is 194933. The reversal of 194923 is 329491.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 329491 = 167 ⋅1973.

It is a cyclic number.

It is not a de Polignac number, because 194923 - 2⁵ = 194891 is a prime.

It is the 442-nd Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194891 and 194900.

It is not an unprimeable number, because it can be changed into a prime (194933) by changing a digit.

It is a nontrivial repunit in base 441.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (48952).

2¹⁹⁴⁹²³ is an apocalyptic number.

194923 is a deficient number, since it is larger than the sum of its proper divisors (885).

194923 is an equidigital number, since it uses as much as digits as its factorization.

194923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884.

The product of its digits is 1944, while the sum is 28.

The square root of 194923 is about 441.5008493763. The cubic root of 194923 is about 57.9812662446.

The spelling of 194923 in words is "one hundred ninety-four thousand, nine hundred twenty-three".