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123230273 is a prime number
BaseRepresentation
bin1110101100001…
…01100001000001
322120212202011012
413112011201001
5223021332043
620121130305
73024303635
oct726054101
9276782135
10123230273
1163618801
1235329995
131c6b832a
141251adc5
15ac42a18
hex7585841

123230273 has 2 divisors, whose sum is σ = 123230274. Its totient is φ = 123230272.

The previous prime is 123230249. The next prime is 123230279. The reversal of 123230273 is 372032321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76335169 + 46895104 = 8737^2 + 6848^2 .

It is an emirp because it is prime and its reverse (372032321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123230273 - 26 = 123230209 is a prime.

It is not a weakly prime, because it can be changed into another prime (123230279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615136 + 61615137.

It is an arithmetic number, because the mean of its divisors is an integer number (61615137).

Almost surely, 2123230273 is an apocalyptic number.

It is an amenable number.

123230273 is a deficient number, since it is larger than the sum of its proper divisors (1).

123230273 is an equidigital number, since it uses as much as digits as its factorization.

123230273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 123230273 is about 11100.9131606368. The cubic root of 123230273 is about 497.6291398127.

Adding to 123230273 its reverse (372032321), we get a palindrome (495262594).

The spelling of 123230273 in words is "one hundred twenty-three million, two hundred thirty thousand, two hundred seventy-three".