6843123 has 36 divisors (see below), whose sum is σ = 11809200. Its totient is φ = 3884112.

The previous prime is 6843107. The next prime is 6843127. The reversal of 6843123 is 3213486.

It is a happy number.

It is not a de Polignac number, because 6843123 - 2⁴ = 6843107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6843127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45853 + ... + 46001.

Almost surely, 2^6843123 is an apocalyptic number.

6843123 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6843123 is a deficient number, since it is larger than the sum of its proper divisors (4966077).

6843123 is an frugal number, since it uses more digits than its factorization.

6843123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 159 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6843123 is about 2615.9363524367. The cubic root of 6843123 is about 189.8532847063.

Adding to 6843123 its sum of digits (27), we get a triangular number (6843150 = T₃₆₉₉).

The spelling of 6843123 in words is "six million, eight hundred forty-three thousand, one hundred twenty-three".