194023 has 4 divisors (see below), whose sum is σ = 195048. Its totient is φ = 193000.

The previous prime is 194017. The next prime is 194027. The reversal of 194023 is 320491.

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: 320491 = 53 ⋅6047.

It is a cyclic number.

It is not a de Polignac number, because 194023 - 2¹³ = 185831 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 (194027) 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 3 ways as a sum of consecutive naturals, for example, 136 + ... + 637.

It is an arithmetic number, because the mean of its divisors is an integer number (48762).

2¹⁹⁴⁰²³ is an apocalyptic number.

194023 is a deficient number, since it is larger than the sum of its proper divisors (1025).

194023 is an equidigital number, since it uses as much as digits as its factorization.

194023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 194023 is about 440.4804195421. The cubic root of 194023 is about 57.8918913637.

The spelling of 194023 in words is "one hundred ninety-four thousand, twenty-three".