Search a number
-
+
23340169 is a prime number
BaseRepresentation
bin101100100001…
…0010010001001
31121220210200201
41121002102021
521433341134
62152132201
7402250066
oct131022211
947823621
1023340169
11121a18a6
127997061
134ab2868
143157c6d
1520b0914
hex1642489

23340169 has 2 divisors, whose sum is σ = 23340170. Its totient is φ = 23340168.

The previous prime is 23340143. The next prime is 23340173. The reversal of 23340169 is 96104332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13227769 + 10112400 = 3637^2 + 3180^2 .

It is a cyclic number.

It is not a de Polignac number, because 23340169 - 25 = 23340137 is a prime.

It is a super-2 number, since 2×233401692 = 1089526977897122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23340199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11670084 + 11670085.

It is an arithmetic number, because the mean of its divisors is an integer number (11670085).

Almost surely, 223340169 is an apocalyptic number.

It is an amenable number.

23340169 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340169 is an equidigital number, since it uses as much as digits as its factorization.

23340169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 23340169 is about 4831.1664223042. The cubic root of 23340169 is about 285.7818645741.

The spelling of 23340169 in words is "twenty-three million, three hundred forty thousand, one hundred sixty-nine".