Base | Representation |
---|---|
bin | 1110101100001… |
… | …01100011000001 |
3 | 22120212202022221 |
4 | 13112011203001 |
5 | 223021333101 |
6 | 20121131041 |
7 | 3024304210 |
oct | 726054301 |
9 | 276782287 |
10 | 123230401 |
11 | 63618908 |
12 | 35329a81 |
13 | 1c6b83c8 |
14 | 1251b077 |
15 | ac42aa1 |
hex | 75858c1 |
123230401 has 8 divisors (see below), whose sum is σ = 140975744. Its totient is φ = 105520320.
The previous prime is 123230339. The next prime is 123230407. The reversal of 123230401 is 104032321.
It is a happy number.
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 123230401 - 27 = 123230273 is a prime.
It is not an unprimeable number, because it can be changed into a prime (123230407) 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, 840 + ... + 15721.
It is an arithmetic number, because the mean of its divisors is an integer number (17621968).
Almost surely, 2123230401 is an apocalyptic number.
It is an amenable number.
123230401 is a deficient number, since it is larger than the sum of its proper divisors (17745343).
123230401 is a wasteful number, since it uses less digits than its factorization.
123230401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17631.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 123230401 is about 11100.9189259268. The cubic root of 123230401 is about 497.6293121094.
Adding to 123230401 its reverse (104032321), we get a palindrome (227262722).
The spelling of 123230401 in words is "one hundred twenty-three million, two hundred thirty thousand, four hundred one".
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