6859123 has 2 divisors, whose sum is σ = 6859124. Its totient is φ = 6859122.

The previous prime is 6859103. The next prime is 6859159. The reversal of 6859123 is 3219586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6859123 - 2²¹ = 4761971 is a prime.

It is not a weakly prime, because it can be changed into another prime (6859103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3429561 + 3429562.

It is an arithmetic number, because the mean of its divisors is an integer number (3429562).

Almost surely, 2^6859123 is an apocalyptic number.

6859123 is a deficient number, since it is larger than the sum of its proper divisors (1).

6859123 is an equidigital number, since it uses as much as digits as its factorization.

6859123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 6859123 is about 2618.9927453126. The cubic root of 6859123 is about 190.0011357273.

The spelling of 6859123 in words is "six million, eight hundred fifty-nine thousand, one hundred twenty-three".