Base | Representation |
---|---|
bin | 101100001010… |
… | …0100111100011 |
3 | 1121120022010002 |
4 | 1120110213203 |
5 | 21411344443 |
6 | 2144130215 |
7 | 400540550 |
oct | 130244743 |
9 | 47508102 |
10 | 23153123 |
11 | 12084314 |
12 | 790696b |
13 | 4a48696 |
14 | 3109a27 |
15 | 20752b8 |
hex | 16149e3 |
23153123 has 8 divisors (see below), whose sum is σ = 26856192. Its totient is φ = 19548936.
The previous prime is 23153089. The next prime is 23153129. The reversal of 23153123 is 32135132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23153123 - 26 = 23153059 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23153095 and 23153104.
It is not an unprimeable number, because it can be changed into a prime (23153129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24215 + ... + 25152.
It is an arithmetic number, because the mean of its divisors is an integer number (3357024).
Almost surely, 223153123 is an apocalyptic number.
23153123 is a deficient number, since it is larger than the sum of its proper divisors (3703069).
23153123 is an equidigital number, since it uses as much as digits as its factorization.
23153123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49441.
The product of its digits is 540, while the sum is 20.
The square root of 23153123 is about 4811.7692172422. The cubic root of 23153123 is about 285.0164061552.
Adding to 23153123 its reverse (32135132), we get a palindrome (55288255).
Subtracting 23153123 from its reverse (32135132), we obtain a square (8982009 = 29972).
The spelling of 23153123 in words is "twenty-three million, one hundred fifty-three thousand, one hundred twenty-three".
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