Base | Representation |
---|---|
bin | 101100000110… |
… | …1010001011001 |
3 | 1121111202211122 |
4 | 1120031101121 |
5 | 21404414113 |
6 | 2143335025 |
7 | 400354043 |
oct | 130152131 |
9 | 47452748 |
10 | 23123033 |
11 | 1206374a |
12 | 78b1475 |
13 | 4a37a8b |
14 | 30dca93 |
15 | 206b408 |
hex | 160d459 |
23123033 has 4 divisors (see below), whose sum is σ = 23244288. Its totient is φ = 23001780.
The previous prime is 23123029. The next prime is 23123047. The reversal of 23123033 is 33032132.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23123033 - 22 = 23123029 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23123333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60341 + ... + 60722.
It is an arithmetic number, because the mean of its divisors is an integer number (5811072).
Almost surely, 223123033 is an apocalyptic number.
It is an amenable number.
23123033 is a deficient number, since it is larger than the sum of its proper divisors (121255).
23123033 is a wasteful number, since it uses less digits than its factorization.
23123033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121254.
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 23123033 is about 4808.6414921472. The cubic root of 23123033 is about 284.8928826956.
Adding to 23123033 its reverse (33032132), we get a palindrome (56155165).
Subtracting 23123033 from its reverse (33032132), we obtain a palindrome (9909099).
The spelling of 23123033 in words is "twenty-three million, one hundred twenty-three thousand, thirty-three".
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