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1223230343 is a prime number
BaseRepresentation
bin100100011101001…
…0000001110000111
310011020201112120112
41020322100032013
510001121332333
6321214023235
742212200136
oct11072201607
93136645515
101223230343
11578533075
122a17a7b1b
1316656904a
14b865991d
15725c8948
hex48e90387

1223230343 has 2 divisors, whose sum is σ = 1223230344. Its totient is φ = 1223230342.

The previous prime is 1223230297. The next prime is 1223230361. The reversal of 1223230343 is 3430323221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223230343 - 220 = 1222181767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223230363) 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, 611615171 + 611615172.

It is an arithmetic number, because the mean of its divisors is an integer number (611615172).

Almost surely, 21223230343 is an apocalyptic number.

1223230343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223230343 is an equidigital number, since it uses as much as digits as its factorization.

1223230343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 1223230343 is about 34974.7100488339. The cubic root of 1223230343 is about 1069.4719912134.

Adding to 1223230343 its reverse (3430323221), we get a palindrome (4653553564).

The spelling of 1223230343 in words is "one billion, two hundred twenty-three million, two hundred thirty thousand, three hundred forty-three".