Base | Representation |
---|---|
bin | 10101011010111110… |
… | …010100010110110111 |
3 | 2012100222200001222222 |
4 | 111122332110112313 |
5 | 334101241402411 |
6 | 14322213512555 |
7 | 1442663212253 |
oct | 253276242667 |
9 | 65328601888 |
10 | 23001122231 |
11 | 983359662a |
12 | 455b04275b |
13 | 2227392bc9 |
14 | 1182b01263 |
15 | 8e94824db |
hex | 55af945b7 |
23001122231 has 2 divisors, whose sum is σ = 23001122232. Its totient is φ = 23001122230.
The previous prime is 23001122159. The next prime is 23001122233. The reversal of 23001122231 is 13222110032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23001122231 - 214 = 23001105847 is a prime.
It is a super-2 number, since 2×230011222312 (a number of 22 digits) contains 22 as substring.
Together with 23001122233, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23001122233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500561115 + 11500561116.
It is an arithmetic number, because the mean of its divisors is an integer number (11500561116).
Almost surely, 223001122231 is an apocalyptic number.
23001122231 is a deficient number, since it is larger than the sum of its proper divisors (1).
23001122231 is an equidigital number, since it uses as much as digits as its factorization.
23001122231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 23001122231 its reverse (13222110032), we get a palindrome (36223232263).
The spelling of 23001122231 in words is "twenty-three billion, one million, one hundred twenty-two thousand, two hundred thirty-one".
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