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120243223 is a prime number
BaseRepresentation
bin1110010101011…
…00010000010111
322101020222200201
413022230100113
5221240240343
615533121331
72660023222
oct712542027
9271228621
10120243223
1161968571
1234329247
131bbb0849
1411d805b9
15a85294d
hex72ac417

120243223 has 2 divisors, whose sum is σ = 120243224. Its totient is φ = 120243222.

The previous prime is 120243217. The next prime is 120243247. The reversal of 120243223 is 322342021.

It is a weak prime.

It is an emirp because it is prime and its reverse (322342021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120243223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120243223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120243323) 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, 60121611 + 60121612.

It is an arithmetic number, because the mean of its divisors is an integer number (60121612).

Almost surely, 2120243223 is an apocalyptic number.

120243223 is a deficient number, since it is larger than the sum of its proper divisors (1).

120243223 is an equidigital number, since it uses as much as digits as its factorization.

120243223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 120243223 is about 10965.5470907748. The cubic root of 120243223 is about 493.5754341393.

Adding to 120243223 its reverse (322342021), we get a palindrome (442585244).

The spelling of 120243223 in words is "one hundred twenty million, two hundred forty-three thousand, two hundred twenty-three".