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123148027253 is a prime number
BaseRepresentation
bin111001010110000110…
…0011100010101110101
3102202212101201222001102
41302230030130111311
54004201343333003
6132323505335445
711616502650266
oct1625414342565
9382771658042
10123148027253
114825493a639
121ba4a037585
13b7c74598a4
145d6348296d
15330b539588
hex1cac31c575

123148027253 has 2 divisors, whose sum is σ = 123148027254. Its totient is φ = 123148027252.

The previous prime is 123148027243. The next prime is 123148027283. The reversal of 123148027253 is 352720841321.

Adding to 123148027253 its reverse (352720841321), we get a palindrome (475868868574).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75159867409 + 47988159844 = 274153^2 + 219062^2 .

It is a cyclic number.

It is not a de Polignac number, because 123148027253 - 28 = 123148026997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123148027243) 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, 61574013626 + 61574013627.

It is an arithmetic number, because the mean of its divisors is an integer number (61574013627).

Almost surely, 2123148027253 is an apocalyptic number.

It is an amenable number.

123148027253 is a deficient number, since it is larger than the sum of its proper divisors (1).

123148027253 is an equidigital number, since it uses as much as digits as its factorization.

123148027253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 123148027253 in words is "one hundred twenty-three billion, one hundred forty-eight million, twenty-seven thousand, two hundred fifty-three".