Search a number
-
+
830044123 is a prime number
BaseRepresentation
bin110001011110010…
…111011111011011
32010211212121110221
4301132113133123
53144442402443
6214210420511
726366154466
oct6136273733
92124777427
10830044123
113965a1487
121b1b91737
13102c71c8c
147c34a2dd
154cd0deed
hex317977db

830044123 has 2 divisors, whose sum is σ = 830044124. Its totient is φ = 830044122.

The previous prime is 830044121. The next prime is 830044151. The reversal of 830044123 is 321440038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 830044123 - 21 = 830044121 is a prime.

It is a super-2 number, since 2×8300441232 = 1377946492253678258, which contains 22 as substring.

Together with 830044121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (830044121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415022061 + 415022062.

It is an arithmetic number, because the mean of its divisors is an integer number (415022062).

Almost surely, 2830044123 is an apocalyptic number.

830044123 is a deficient number, since it is larger than the sum of its proper divisors (1).

830044123 is an equidigital number, since it uses as much as digits as its factorization.

830044123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 830044123 is about 28810.4863374432. The cubic root of 830044123 is about 939.7962901709.

The spelling of 830044123 in words is "eight hundred thirty million, forty-four thousand, one hundred twenty-three".