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105044123 is a prime number
BaseRepresentation
bin1100100001011…
…01100010011011
321022122210110002
412100231202123
5203342402443
614231243215
72413601042
oct620554233
9238583402
10105044123
1154327228
122b21950b
13189bb6b2
14dd45559
15934e2b8
hex642d89b

105044123 has 2 divisors, whose sum is σ = 105044124. Its totient is φ = 105044122.

The previous prime is 105044099. The next prime is 105044129. The reversal of 105044123 is 321440501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105044123 - 214 = 105027739 is a prime.

It is a super-2 number, since 2×1050441232 = 22068535553678258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 105044095 and 105044104.

It is not a weakly prime, because it can be changed into another prime (105044129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52522061 + 52522062.

It is an arithmetic number, because the mean of its divisors is an integer number (52522062).

Almost surely, 2105044123 is an apocalyptic number.

105044123 is a deficient number, since it is larger than the sum of its proper divisors (1).

105044123 is an equidigital number, since it uses as much as digits as its factorization.

105044123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 105044123 is about 10249.1035217720. The cubic root of 105044123 is about 471.8354709399.

Adding to 105044123 its reverse (321440501), we get a palindrome (426484624).

The spelling of 105044123 in words is "one hundred five million, forty-four thousand, one hundred twenty-three".