Base | Representation |
---|---|
bin | 1110101101011… |
… | …11010001111111 |
3 | 22121012102211010 |
4 | 13112233101333 |
5 | 223042320333 |
6 | 20124530303 |
7 | 3025615452 |
oct | 726572177 |
9 | 277172733 |
10 | 123401343 |
11 | 6372528a |
12 | 353b0993 |
13 | 1c748160 |
14 | 12563499 |
15 | ac78563 |
hex | 75af47f |
123401343 has 8 divisors (see below), whose sum is σ = 177191728. Its totient is φ = 75939264.
The previous prime is 123401323. The next prime is 123401381. The reversal of 123401343 is 343104321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123401343 - 28 = 123401087 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123401323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582030 + ... + 1582107.
It is an arithmetic number, because the mean of its divisors is an integer number (22148966).
Almost surely, 2123401343 is an apocalyptic number.
123401343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
123401343 is a deficient number, since it is larger than the sum of its proper divisors (53790385).
123401343 is a wasteful number, since it uses less digits than its factorization.
123401343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3164153.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 123401343 is about 11108.6157103394. The cubic root of 123401343 is about 497.8593052653.
Adding to 123401343 its reverse (343104321), we get a palindrome (466505664).
The spelling of 123401343 in words is "one hundred twenty-three million, four hundred one thousand, three hundred forty-three".
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