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1200422323 is a prime number
BaseRepresentation
bin100011110001100…
…1111110110110011
310002122210202212001
41013203033312303
54424302003243
6315041114431
741514264352
oct10743176663
93078722761
101200422323
11566675071
12296028a17
13161911789
14b55dd999
15705c0a4d
hex478cfdb3

1200422323 has 2 divisors, whose sum is σ = 1200422324. Its totient is φ = 1200422322.

The previous prime is 1200422297. The next prime is 1200422329. The reversal of 1200422323 is 3232240021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3232240021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1200422323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200422323.

It is not a weakly prime, because it can be changed into another prime (1200422329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600211161 + 600211162.

It is an arithmetic number, because the mean of its divisors is an integer number (600211162).

Almost surely, 21200422323 is an apocalyptic number.

1200422323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200422323 is an equidigital number, since it uses as much as digits as its factorization.

1200422323 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 1200422323 is about 34647.1113225908. Note that the first 3 decimals coincide. The cubic root of 1200422323 is about 1062.7832171041.

Adding to 1200422323 its reverse (3232240021), we get a palindrome (4432662344).

The spelling of 1200422323 in words is "one billion, two hundred million, four hundred twenty-two thousand, three hundred twenty-three".