Base | Representation |
---|---|
bin | 10101011100000111… |
… | …001000111100110111 |
3 | 2012102022120221021022 |
4 | 111130013020330313 |
5 | 334121133241043 |
6 | 14324135011355 |
7 | 1443314400524 |
oct | 253407107467 |
9 | 65368527238 |
10 | 23020212023 |
11 | 9843345016 |
12 | 4565509b5b |
13 | 222b317c43 |
14 | 118547014b |
15 | 8eaea3868 |
hex | 55c1c8f37 |
23020212023 has 4 divisors (see below), whose sum is σ = 24374342160. Its totient is φ = 21666081888.
The previous prime is 23020212011. The next prime is 23020212029. The reversal of 23020212023 is 32021202032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23020212023 - 230 = 21946470199 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1354130119 = 23020212023 / (2 + 3 + 0 + 2 + 0 + 2 + 1 + 2 + 0 + 2 + 3).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23020211992 and 23020212010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23020212029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677065043 + ... + 677065076.
It is an arithmetic number, because the mean of its divisors is an integer number (6093585540).
Almost surely, 223020212023 is an apocalyptic number.
23020212023 is a deficient number, since it is larger than the sum of its proper divisors (1354130137).
23020212023 is a wasteful number, since it uses less digits than its factorization.
23020212023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1354130136.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 23020212023 its reverse (32021202032), we get a palindrome (55041414055).
Subtracting 23020212023 from its reverse (32021202032), we obtain a palindrome (9000990009).
The spelling of 23020212023 in words is "twenty-three billion, twenty million, two hundred twelve thousand, twenty-three".
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