123332189 has 2 divisors, whose sum is σ = 123332190. Its totient is φ = 123332188.

The previous prime is 123332171. The next prime is 123332191. The reversal of 123332189 is 981233321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96727225 + 26604964 = 9835^2 + 5158^2 .

It is a cyclic number.

It is not a de Polignac number, because 123332189 - 2⁸ = 123331933 is a prime.

It is a super-3 number, since 3×123332189³ (a number of 25 digits) contains 333 as substring.

Together with 123332191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123332129) 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, 61666094 + 61666095.

It is an arithmetic number, because the mean of its divisors is an integer number (61666095).

Almost surely, 2^123332189 is an apocalyptic number.

It is an amenable number.

123332189 is a deficient number, since it is larger than the sum of its proper divisors (1).

123332189 is an equidigital number, since it uses as much as digits as its factorization.

123332189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 123332189 is about 11105.5026450855. The cubic root of 123332189 is about 497.7662879207.

The spelling of 123332189 in words is "one hundred twenty-three million, three hundred thirty-two thousand, one hundred eighty-nine".