85834823 has 2 divisors, whose sum is σ = 85834824. Its totient is φ = 85834822.

The previous prime is 85834817. The next prime is 85834841. The reversal of 85834823 is 32843858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85834823 - 2⁴ = 85834807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85834813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42917411 + 42917412.

It is an arithmetic number, because the mean of its divisors is an integer number (42917412).

Almost surely, 2^85834823 is an apocalyptic number.

85834823 is a deficient number, since it is larger than the sum of its proper divisors (1).

85834823 is an equidigital number, since it uses as much as digits as its factorization.

85834823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 41.

The square root of 85834823 is about 9264.7084681602. The cubic root of 85834823 is about 441.1177212921.

The spelling of 85834823 in words is "eighty-five million, eight hundred thirty-four thousand, eight hundred twenty-three".