189306323 has 2 divisors, whose sum is σ = 189306324. Its totient is φ = 189306322.

The previous prime is 189306281. The next prime is 189306343. The reversal of 189306323 is 323603981.

189306323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (323603981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189306323 - 2¹⁰ = 189305299 is a prime.

It is not a weakly prime, because it can be changed into another prime (189306343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94653161 + 94653162.

It is an arithmetic number, because the mean of its divisors is an integer number (94653162).

Almost surely, 2^189306323 is an apocalyptic number.

189306323 is a deficient number, since it is larger than the sum of its proper divisors (1).

189306323 is an equidigital number, since it uses as much as digits as its factorization.

189306323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 189306323 is about 13758.8634341649. The cubic root of 189306323 is about 574.1892270694.

The spelling of 189306323 in words is "one hundred eighty-nine million, three hundred six thousand, three hundred twenty-three".