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123386117 is a prime number
BaseRepresentation
bin1110101101010…
…11100100000101
322121011122221012
413112223210011
5223041323432
620124332005
73025523201
oct726534405
9277148835
10123386117
11637148a8
12353a4005
131c74124a
141255bb01
15ac73cb2
hex75ab905

123386117 has 2 divisors, whose sum is σ = 123386118. Its totient is φ = 123386116.

The previous prime is 123386111. The next prime is 123386141. The reversal of 123386117 is 711683321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105863521 + 17522596 = 10289^2 + 4186^2 .

It is a cyclic number.

It is not a de Polignac number, because 123386117 - 24 = 123386101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123386111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61693058 + 61693059.

It is an arithmetic number, because the mean of its divisors is an integer number (61693059).

Almost surely, 2123386117 is an apocalyptic number.

It is an amenable number.

123386117 is a deficient number, since it is larger than the sum of its proper divisors (1).

123386117 is an equidigital number, since it uses as much as digits as its factorization.

123386117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 123386117 is about 11107.9303652841. The cubic root of 123386117 is about 497.8388281311.

The spelling of 123386117 in words is "one hundred twenty-three million, three hundred eighty-six thousand, one hundred seventeen".