Base | Representation |
---|---|
bin | 101011111110… |
… | …0101100010011 |
3 | 1121101022200110 |
4 | 1113330230103 |
5 | 21400230443 |
6 | 2142052403 |
7 | 366652050 |
oct | 127745423 |
9 | 47338613 |
10 | 23055123 |
11 | 12017723 |
12 | 787a103 |
13 | 4a12bb0 |
14 | 30c2027 |
15 | 2056233 |
hex | 15fcb13 |
23055123 has 32 divisors (see below), whose sum is σ = 38348800. Its totient is φ = 11995776.
The previous prime is 23055121. The next prime is 23055127. The reversal of 23055123 is 32155032.
It is not a de Polignac number, because 23055123 - 21 = 23055121 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 23055123.
It is not an unprimeable number, because it can be changed into a prime (23055121) 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, 21033 + ... + 22101.
It is an arithmetic number, because the mean of its divisors is an integer number (1198400).
Almost surely, 223055123 is an apocalyptic number.
23055123 is a deficient number, since it is larger than the sum of its proper divisors (15293677).
23055123 is a wasteful number, since it uses less digits than its factorization.
23055123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1171.
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 23055123 is about 4801.5750540838. The cubic root of 23055123 is about 284.6137087257.
Subtracting 23055123 from its reverse (32155032), we obtain a palindrome (9099909).
The spelling of 23055123 in words is "twenty-three million, fifty-five thousand, one hundred twenty-three".
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