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105343423 = 228146183
BaseRepresentation
bin1100100011101…
…10100110111111
321100020000000021
412101312212333
5203431442143
614241513011
72416255453
oct621664677
9240200007
10105343423
1154511089
122b342767
1318a949b3
14ddc2663
1593acced
hex64769bf

105343423 has 4 divisors (see below), whose sum is σ = 105391888. Its totient is φ = 105294960.

The previous prime is 105343409. The next prime is 105343463. The reversal of 105343423 is 324343501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324343501 = 893644309.

It is a cyclic number.

It is not a de Polignac number, because 105343423 - 213 = 105335231 is a prime.

It is a super-2 number, since 2×1053434232 = 22194473538713858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105343463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20811 + ... + 25372.

It is an arithmetic number, because the mean of its divisors is an integer number (26347972).

Almost surely, 2105343423 is an apocalyptic number.

105343423 is a deficient number, since it is larger than the sum of its proper divisors (48465).

105343423 is an equidigital number, since it uses as much as digits as its factorization.

105343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48464.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 105343423 is about 10263.6944128321. The cubic root of 105343423 is about 472.2831762753.

Adding to 105343423 its reverse (324343501), we get a palindrome (429686924).

The spelling of 105343423 in words is "one hundred five million, three hundred forty-three thousand, four hundred twenty-three".

Divisors: 1 2281 46183 105343423