85994123 has 2 divisors, whose sum is σ = 85994124. Its totient is φ = 85994122.

The previous prime is 85994101. The next prime is 85994137. The reversal of 85994123 is 32149958.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85994123 - 2¹⁰ = 85993099 is a prime.

It is not a weakly prime, because it can be changed into another prime (85994173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42997061 + 42997062.

It is an arithmetic number, because the mean of its divisors is an integer number (42997062).

Almost surely, 2^85994123 is an apocalyptic number.

85994123 is a deficient number, since it is larger than the sum of its proper divisors (1).

85994123 is an equidigital number, since it uses as much as digits as its factorization.

85994123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 85994123 is about 9273.3016234780. The cubic root of 85994123 is about 441.3904413225.

The spelling of 85994123 in words is "eighty-five million, nine hundred ninety-four thousand, one hundred twenty-three".