Base | Representation |
---|---|
bin | 101011111101… |
… | …1110101100111 |
3 | 1121101010212211 |
4 | 1113323311213 |
5 | 21400122443 |
6 | 2142024251 |
7 | 366635620 |
oct | 127736547 |
9 | 47333784 |
10 | 23051623 |
11 | 12015031 |
12 | 7878087 |
13 | 4a1141a |
14 | 30c0a47 |
15 | 205519d |
hex | 15fbd67 |
23051623 has 16 divisors (see below), whose sum is σ = 26922240. Its totient is φ = 19331136.
The previous prime is 23051603. The next prime is 23051653. The reversal of 23051623 is 32615032.
It is a cyclic number.
It is not a de Polignac number, because 23051623 - 217 = 22920551 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23051594 and 23051603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23051603) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101436 + ... + 101662.
It is an arithmetic number, because the mean of its divisors is an integer number (1682640).
Almost surely, 223051623 is an apocalyptic number.
23051623 is a deficient number, since it is larger than the sum of its proper divisors (3870617).
23051623 is a wasteful number, since it uses less digits than its factorization.
23051623 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 486.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 23051623 is about 4801.2105765109. The cubic root of 23051623 is about 284.5993055871.
Adding to 23051623 its reverse (32615032), we get a palindrome (55666655).
The spelling of 23051623 in words is "twenty-three million, fifty-one thousand, six hundred twenty-three".
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