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13130123 is a prime number
BaseRepresentation
bin110010000101…
…100110001011
3220201002010212
4302011212023
511330130443
61145231335
7216414146
oct62054613
926632125
1013130123
117458946
12449254b
132949506
141a5b05d
151245618
hexc8598b

13130123 has 2 divisors, whose sum is σ = 13130124. Its totient is φ = 13130122.

The previous prime is 13130119. The next prime is 13130129. The reversal of 13130123 is 32103131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13130123 - 22 = 13130119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13130098 and 13130107.

It is not a weakly prime, because it can be changed into another prime (13130129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565061 + 6565062.

It is an arithmetic number, because the mean of its divisors is an integer number (6565062).

Almost surely, 213130123 is an apocalyptic number.

13130123 is a deficient number, since it is larger than the sum of its proper divisors (1).

13130123 is an equidigital number, since it uses as much as digits as its factorization.

13130123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13130123 is about 3623.5511587392. The cubic root of 13130123 is about 235.9153854951.

Adding to 13130123 its reverse (32103131), we get a palindrome (45233254).

The spelling of 13130123 in words is "thirteen million, one hundred thirty thousand, one hundred twenty-three".