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BaseRepresentation
bin101010010110…
…101110010011
3202220002121210
4222112232103
510320244443
61033551203
7163242423
oct52265623
922802553
1011103123
1162a3a39
123875503
1323b99c5
141690483
15e94c33
hexa96b93

11103123 has 8 divisors (see below), whose sum is σ = 14842000. Its totient is φ = 7383168.

The previous prime is 11103119. The next prime is 11103133. The reversal of 11103123 is 32130111.

Adding to 11103123 its reverse (32130111), we get a palindrome (43233234).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11103123 - 22 = 11103119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103099 and 11103108.

It is not an unprimeable number, because it can be changed into a prime (11103133) 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 in 7 ways as a sum of consecutive naturals, for example, 3298 + ... + 5751.

It is an arithmetic number, because the mean of its divisors is an integer number (1855250).

Almost surely, 211103123 is an apocalyptic number.

11103123 is a deficient number, since it is larger than the sum of its proper divisors (3738877).

11103123 is an equidigital number, since it uses as much as digits as its factorization.

11103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9461.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11103123 is about 3332.1349012307. The cubic root of 11103123 is about 223.0908288261.

The spelling of 11103123 in words is "eleven million, one hundred three thousand, one hundred twenty-three".

Divisors: 1 3 409 1227 9049 27147 3701041 11103123