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12323789 is a prime number
BaseRepresentation
bin101111000000…
…101111001101
3212012010001122
4233000233031
511123330124
61120050325
7206515262
oct57005715
925163048
1012323789
116a58055
1241639a5
1327264aa
1418cb269
15113675e
hexbc0bcd

12323789 has 2 divisors, whose sum is σ = 12323790. Its totient is φ = 12323788.

The previous prime is 12323783. The next prime is 12323797. The reversal of 12323789 is 98732321.

12323789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 366025 = 3458^2 + 605^2 .

It is an emirp because it is prime and its reverse (98732321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12323789 - 220 = 11275213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12323783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161894 + 6161895.

It is an arithmetic number, because the mean of its divisors is an integer number (6161895).

Almost surely, 212323789 is an apocalyptic number.

It is an amenable number.

12323789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323789 is an equidigital number, since it uses as much as digits as its factorization.

12323789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 12323789 is about 3510.5254592440. The cubic root of 12323789 is about 230.9837447880.

The spelling of 12323789 in words is "twelve million, three hundred twenty-three thousand, seven hundred eighty-nine".