889123 has 2 divisors, whose sum is σ = 889124. Its totient is φ = 889122.

The previous prime is 889087. The next prime is 889139. The reversal of 889123 is 321988.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889123 is a prime.

It is not a weakly prime, because it can be changed into another prime (829123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444561 + 444562.

It is an arithmetic number, because the mean of its divisors is an integer number (444562).

2⁸⁸⁹¹²³ is an apocalyptic number.

889123 is a deficient number, since it is larger than the sum of its proper divisors (1).

889123 is an equidigital number, since it uses as much as digits as its factorization.

889123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 889123 is about 942.9331895739. The cubic root of 889123 is about 96.1584117791.

The spelling of 889123 in words is "eight hundred eighty-nine thousand, one hundred twenty-three".