854123 has 2 divisors, whose sum is σ = 854124. Its totient is φ = 854122.

The previous prime is 854111. The next prime is 854129. The reversal of 854123 is 321458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 854123 - 2¹² = 850027 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (854129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427061 + 427062.

It is an arithmetic number, because the mean of its divisors is an integer number (427062).

2⁸⁵⁴¹²³ is an apocalyptic number.

854123 is a deficient number, since it is larger than the sum of its proper divisors (1).

854123 is an equidigital number, since it uses as much as digits as its factorization.

854123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 854123 is about 924.1877514878. The cubic root of 854123 is about 94.8797370169.

The spelling of 854123 in words is "eight hundred fifty-four thousand, one hundred twenty-three".