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123106343 = 313393311
BaseRepresentation
bin1110101011001…
…11010000100111
322120122110011012
413111213100213
5223003400333
620114332435
73023246423
oct725472047
9276573135
10123106343
1163543688
123528a11b
131c673ab9
14124c7b83
15ac1ae48
hex7567427

123106343 has 4 divisors (see below), whose sum is σ = 123499968. Its totient is φ = 122712720.

The previous prime is 123106331. The next prime is 123106349. The reversal of 123106343 is 343601321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123106343 - 222 = 118912039 is a prime.

It is a super-3 number, since 3×1231063433 (a number of 25 digits) contains 333 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 (123106349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196343 + ... + 196968.

It is an arithmetic number, because the mean of its divisors is an integer number (30874992).

Almost surely, 2123106343 is an apocalyptic number.

123106343 is a deficient number, since it is larger than the sum of its proper divisors (393625).

123106343 is an equidigital number, since it uses as much as digits as its factorization.

123106343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393624.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 123106343 is about 11095.3297832917. The cubic root of 123106343 is about 497.4622655992.

Adding to 123106343 its reverse (343601321), we get a palindrome (466707664).

The spelling of 123106343 in words is "one hundred twenty-three million, one hundred six thousand, three hundred forty-three".

Divisors: 1 313 393311 123106343