Base | Representation |
---|---|
bin | 101011111100… |
… | …1101111001111 |
3 | 1121100201002022 |
4 | 1113321233033 |
5 | 21344334043 |
6 | 2141520355 |
7 | 366601553 |
oct | 127715717 |
9 | 47321068 |
10 | 23043023 |
11 | 12009623 |
12 | 78730bb |
13 | 4a0a533 |
14 | 30bb863 |
15 | 2052868 |
hex | 15f9bcf |
23043023 has 4 divisors (see below), whose sum is σ = 23837640. Its totient is φ = 22248408.
The previous prime is 23043017. The next prime is 23043037. The reversal of 23043023 is 32034032.
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 23043023 - 26 = 23042959 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23042992 and 23043010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23043043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397265 + ... + 397322.
It is an arithmetic number, because the mean of its divisors is an integer number (5959410).
Almost surely, 223043023 is an apocalyptic number.
23043023 is a deficient number, since it is larger than the sum of its proper divisors (794617).
23043023 is an equidigital number, since it uses as much as digits as its factorization.
23043023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 794616.
The product of its (nonzero) digits is 432, while the sum is 17.
The square root of 23043023 is about 4800.3148855049. The cubic root of 23043023 is about 284.5639088247.
Adding to 23043023 its reverse (32034032), we get a palindrome (55077055).
The spelling of 23043023 in words is "twenty-three million, forty-three thousand, twenty-three".
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