Search a number
-
+
123301310123 is a prime number
BaseRepresentation
bin111001011010101010…
…1001010111010101011
3102210021002011112121202
41302311111022322223
54010010113410443
6132351022554415
711623343562155
oct1626525127253
9383232145552
10123301310123
11483234142a2
121ba91438a0b
13b820137b04
145d79983ad5
153319c167b8
hex1cb554aeab

123301310123 has 2 divisors, whose sum is σ = 123301310124. Its totient is φ = 123301310122.

The previous prime is 123301310113. The next prime is 123301310137. The reversal of 123301310123 is 321013103321.

It is a weak prime.

It is an emirp because it is prime and its reverse (321013103321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123301310123 - 28 = 123301309867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123301310095 and 123301310104.

It is not a weakly prime, because it can be changed into another prime (123301310113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650655061 + 61650655062.

It is an arithmetic number, because the mean of its divisors is an integer number (61650655062).

Almost surely, 2123301310123 is an apocalyptic number.

123301310123 is a deficient number, since it is larger than the sum of its proper divisors (1).

123301310123 is an equidigital number, since it uses as much as digits as its factorization.

123301310123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123301310123 its reverse (321013103321), we get a palindrome (444314413444).

The spelling of 123301310123 in words is "one hundred twenty-three billion, three hundred one million, three hundred ten thousand, one hundred twenty-three".