189722983 has 2 divisors, whose sum is σ = 189722984. Its totient is φ = 189722982.

The previous prime is 189722947. The next prime is 189723011. The reversal of 189722983 is 389227981.

It is a strong prime.

It is an emirp because it is prime and its reverse (389227981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189722983 - 2⁹ = 189722471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189722083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94861491 + 94861492.

It is an arithmetic number, because the mean of its divisors is an integer number (94861492).

Almost surely, 2^189722983 is an apocalyptic number.

189722983 is a deficient number, since it is larger than the sum of its proper divisors (1).

189722983 is an equidigital number, since it uses as much as digits as its factorization.

189722983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 189722983 is about 13773.9966240739. The cubic root of 189722983 is about 574.6101786284.

The spelling of 189722983 in words is "one hundred eighty-nine million, seven hundred twenty-two thousand, nine hundred eighty-three".