Base | Representation |
---|---|
bin | 10101110100100111… |
… | …011011100011100111 |
3 | 2020110222011220010220 |
4 | 111310213123203213 |
5 | 340441410030043 |
6 | 14433022415423 |
7 | 1456436006343 |
oct | 256447334347 |
9 | 66428156126 |
10 | 23431330023 |
11 | 9a34414062 |
12 | 465b131573 |
13 | 229554cc2a |
14 | 11c3cca623 |
15 | 922111483 |
hex | 5749db8e7 |
23431330023 has 32 divisors (see below), whose sum is σ = 32092569600. Its totient is φ = 15202740960.
The previous prime is 23431330009. The next prime is 23431330093. The reversal of 23431330023 is 32003313432.
It is a happy number.
It is not a de Polignac number, because 23431330023 - 228 = 23162894567 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23431329975 and 23431330002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23431330093) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5101458 + ... + 5106048.
It is an arithmetic number, because the mean of its divisors is an integer number (1002892800).
Almost surely, 223431330023 is an apocalyptic number.
23431330023 is a deficient number, since it is larger than the sum of its proper divisors (8661239577).
23431330023 is a wasteful number, since it uses less digits than its factorization.
23431330023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4979.
The product of its (nonzero) digits is 3888, while the sum is 24.
Adding to 23431330023 its reverse (32003313432), we get a palindrome (55434643455).
The spelling of 23431330023 in words is "twenty-three billion, four hundred thirty-one million, three hundred thirty thousand, twenty-three".
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