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123114031217 is a prime number
BaseRepresentation
bin111001010101000101…
…0110000100001110001
3102202210000202210020222
41302222022300201301
54004114142444332
6132320252542425
711615610666422
oct1625212604161
9382700683228
10123114031217
114823772a941
121ba3a781a15
13b7c03b5aa8
145d5cb53649
153308571712
hex1caa2b0871

123114031217 has 2 divisors, whose sum is σ = 123114031218. Its totient is φ = 123114031216.

The previous prime is 123114031199. The next prime is 123114031357. The reversal of 123114031217 is 712130411321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119823976336 + 3290054881 = 346156^2 + 57359^2 .

It is a cyclic number.

It is not a de Polignac number, because 123114031217 - 212 = 123114027121 is a prime.

It is not a weakly prime, because it can be changed into another prime (123114031717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61557015608 + 61557015609.

It is an arithmetic number, because the mean of its divisors is an integer number (61557015609).

Almost surely, 2123114031217 is an apocalyptic number.

It is an amenable number.

123114031217 is a deficient number, since it is larger than the sum of its proper divisors (1).

123114031217 is an equidigital number, since it uses as much as digits as its factorization.

123114031217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 123114031217 its reverse (712130411321), we get a palindrome (835244442538).

The spelling of 123114031217 in words is "one hundred twenty-three billion, one hundred fourteen million, thirty-one thousand, two hundred seventeen".