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12305323 = 97126859
BaseRepresentation
bin101110111100…
…001110101011
3212011011201201
4232330032223
511122232243
61115425031
7206410402
oct56741653
925134651
1012305323
116a45198
124155177
13271ac74
1418c4639
15113104d
hexbbc3ab

12305323 has 4 divisors (see below), whose sum is σ = 12432280. Its totient is φ = 12178368.

The previous prime is 12305311. The next prime is 12305327. The reversal of 12305323 is 32350321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12305323 - 29 = 12304811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12305323.

It is not an unprimeable number, because it can be changed into a prime (12305327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63333 + ... + 63526.

It is an arithmetic number, because the mean of its divisors is an integer number (3108070).

Almost surely, 212305323 is an apocalyptic number.

12305323 is a deficient number, since it is larger than the sum of its proper divisors (126957).

12305323 is an equidigital number, since it uses as much as digits as its factorization.

12305323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126956.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 12305323 is about 3507.8943826746. The cubic root of 12305323 is about 230.8683182199.

Adding to 12305323 its reverse (32350321), we get a palindrome (44655644).

The spelling of 12305323 in words is "twelve million, three hundred five thousand, three hundred twenty-three".

Divisors: 1 97 126859 12305323