Search a number
-
+
12230352323 = 72298606863
BaseRepresentation
bin10110110001111110…
…00101110111000011
31011120100120021022222
423120333011313003
5200021432233243
65341334521255
7612036164600
oct133077056703
934510507288
1012230352323
1152067957a2
122453b0622b
1311cbab8287
148404616a7
154b8ac3168
hex2d8fc5dc3

12230352323 has 12 divisors (see below), whose sum is σ = 14717737440. Its totient is φ = 10121669712.

The previous prime is 12230352311. The next prime is 12230352353. The reversal of 12230352323 is 32325303221.

It is not a de Polignac number, because 12230352323 - 26 = 12230352259 is a prime.

It is a super-2 number, since 2×122303523232 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12230352292 and 12230352301.

It is not an unprimeable number, because it can be changed into a prime (12230352353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4302011 + ... + 4304852.

It is an arithmetic number, because the mean of its divisors is an integer number (1226478120).

Almost surely, 212230352323 is an apocalyptic number.

12230352323 is a deficient number, since it is larger than the sum of its proper divisors (2487385117).

12230352323 is an equidigital number, since it uses as much as digits as its factorization.

12230352323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8606906 (or 8606899 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 12230352323 its reverse (32325303221), we get a palindrome (44555655544).

The spelling of 12230352323 in words is "twelve billion, two hundred thirty million, three hundred fifty-two thousand, three hundred twenty-three".

Divisors: 1 7 29 49 203 1421 8606863 60248041 249599027 421736287 1747193189 12230352323