189223 has 2 divisors, whose sum is σ = 189224. Its totient is φ = 189222.

The previous prime is 189199. The next prime is 189229. The reversal of 189223 is 322981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189223 - 2⁹ = 188711 is a prime.

189223 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94611 + 94612.

It is an arithmetic number, because the mean of its divisors is an integer number (94612).

2¹⁸⁹²²³ is an apocalyptic number.

189223 is a deficient number, since it is larger than the sum of its proper divisors (1).

189223 is an equidigital number, since it uses as much as digits as its factorization.

189223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 189223 is about 434.9977011434. The cubic root of 189223 is about 57.4104971757.

The spelling of 189223 in words is "one hundred eighty-nine thousand, two hundred twenty-three".