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12322223 is a prime number
BaseRepresentation
bin101111000000…
…010110101111
3212012000220122
4233000112233
511123302343
61120035155
7206510564
oct57002657
925160818
1012322223
116a56961
124162abb
132725874
1418ca86b
151136068
hexbc05af

12322223 has 2 divisors, whose sum is σ = 12322224. Its totient is φ = 12322222.

The previous prime is 12322217. The next prime is 12322237. The reversal of 12322223 is 32222321.

It is a weak prime.

It is an emirp because it is prime and its reverse (32222321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12322223 - 24 = 12322207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12322213) 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, 6161111 + 6161112.

It is an arithmetic number, because the mean of its divisors is an integer number (6161112).

Almost surely, 212322223 is an apocalyptic number.

12322223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12322223 is an equidigital number, since it uses as much as digits as its factorization.

12322223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 17.

The square root of 12322223 is about 3510.3024086252. The cubic root of 12322223 is about 230.9739605713.

Adding to 12322223 its reverse (32222321), we get a palindrome (44544544).

The spelling of 12322223 in words is "twelve million, three hundred twenty-two thousand, two hundred twenty-three".