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105444023 is a prime number
BaseRepresentation
bin1100100100011…
…11001010110111
321100102010000012
412102033022313
5203443202043
614244010435
72420154656
oct622171267
9240363005
10105444023
115457a723
122b390a1b
1318acb719
141000b19d
1593cca18
hex648f2b7

105444023 has 2 divisors, whose sum is σ = 105444024. Its totient is φ = 105444022.

The previous prime is 105443993. The next prime is 105444037. The reversal of 105444023 is 320444501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105444023 - 26 = 105443959 is a prime.

It is a super-2 number, since 2×1054440232 = 22236883972849058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105444023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105441023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52722011 + 52722012.

It is an arithmetic number, because the mean of its divisors is an integer number (52722012).

Almost surely, 2105444023 is an apocalyptic number.

105444023 is a deficient number, since it is larger than the sum of its proper divisors (1).

105444023 is an equidigital number, since it uses as much as digits as its factorization.

105444023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 105444023 is about 10268.5940128140. The cubic root of 105444023 is about 472.4334674850.

Adding to 105444023 its reverse (320444501), we get a palindrome (425888524).

The spelling of 105444023 in words is "one hundred five million, four hundred forty-four thousand, twenty-three".