Base | Representation |
---|---|
bin | 1110010011101… |
… | …10101101110011 |
3 | 22100211211212111 |
4 | 13021312231303 |
5 | 221211231143 |
6 | 15524310151 |
7 | 2655120655 |
oct | 711665563 |
9 | 270754774 |
10 | 120023923 |
11 | 61828828 |
12 | 34242357 |
13 | 1bb34a96 |
14 | 11d246d5 |
15 | a80c99d |
hex | 7276b73 |
120023923 has 2 divisors, whose sum is σ = 120023924. Its totient is φ = 120023922.
The previous prime is 120023921. The next prime is 120023929. The reversal of 120023923 is 329320021.
It is a weak prime.
It is an emirp because it is prime and its reverse (329320021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120023923 - 21 = 120023921 is a prime.
Together with 120023921, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 120023894 and 120023903.
It is not a weakly prime, because it can be changed into another prime (120023921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60011961 + 60011962.
It is an arithmetic number, because the mean of its divisors is an integer number (60011962).
Almost surely, 2120023923 is an apocalyptic number.
120023923 is a deficient number, since it is larger than the sum of its proper divisors (1).
120023923 is an equidigital number, since it uses as much as digits as its factorization.
120023923 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 120023923 is about 10955.5430262493. The cubic root of 120023923 is about 493.2751900168.
Adding to 120023923 its reverse (329320021), we get a palindrome (449343944).
The spelling of 120023923 in words is "one hundred twenty million, twenty-three thousand, nine hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •