Search a number
-
+
123370430723 is a prime number
BaseRepresentation
bin111001011100101110…
…0110110000100000011
3102210102220020020020222
41302321130312010003
54010130312240343
6132401532253255
711625143234021
oct1627134660403
9383386206228
10123370430723
1148359434661
121bab061122b
13b831559287
145d84c17711
153320d1ba68
hex1cb9736103

123370430723 has 2 divisors, whose sum is σ = 123370430724. Its totient is φ = 123370430722.

The previous prime is 123370430671. The next prime is 123370430731. The reversal of 123370430723 is 327034073321.

It is a strong prime.

It is an emirp because it is prime and its reverse (327034073321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123370430723 - 228 = 123101995267 is a prime.

It is not a weakly prime, because it can be changed into another prime (123370430753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61685215361 + 61685215362.

It is an arithmetic number, because the mean of its divisors is an integer number (61685215362).

Almost surely, 2123370430723 is an apocalyptic number.

123370430723 is a deficient number, since it is larger than the sum of its proper divisors (1).

123370430723 is an equidigital number, since it uses as much as digits as its factorization.

123370430723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 35.

The spelling of 123370430723 in words is "one hundred twenty-three billion, three hundred seventy million, four hundred thirty thousand, seven hundred twenty-three".