Base | Representation |
---|---|
bin | 10101101000101000… |
… | …101001001001001111 |
3 | 2012221221221120220211 |
4 | 111220220221021033 |
5 | 340033430234411 |
6 | 14401042223251 |
7 | 1451445321025 |
oct | 255050511117 |
9 | 65857846824 |
10 | 23230321231 |
11 | 9940a02197 |
12 | 4603954b27 |
13 | 2262a01710 |
14 | 11a5324715 |
15 | 90e658221 |
hex | 568a2924f |
23230321231 has 12 divisors (see below), whose sum is σ = 25850324136. Its totient is φ = 20751640560.
The previous prime is 23230321229. The next prime is 23230321319. The reversal of 23230321231 is 13212303232.
It is not a de Polignac number, because 23230321231 - 21 = 23230321229 is a prime.
It is a super-2 number, since 2×232303212312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23230327231) 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, 917241 + ... + 942226.
It is an arithmetic number, because the mean of its divisors is an integer number (2154193678).
Almost surely, 223230321231 is an apocalyptic number.
23230321231 is a deficient number, since it is larger than the sum of its proper divisors (2620002905).
23230321231 is a wasteful number, since it uses less digits than its factorization.
23230321231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1859542 (or 1859511 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 23230321231 its reverse (13212303232), we get a palindrome (36442624463).
The spelling of 23230321231 in words is "twenty-three billion, two hundred thirty million, three hundred twenty-one thousand, two hundred thirty-one".
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