85066123 has 2 divisors, whose sum is σ = 85066124. Its totient is φ = 85066122.

The previous prime is 85066109. The next prime is 85066129. The reversal of 85066123 is 32166058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85066123 - 2¹⁷ = 84935051 is a prime.

It is a super-2 number, since 2×85066123² = 14472490564502258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85066129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42533061 + 42533062.

It is an arithmetic number, because the mean of its divisors is an integer number (42533062).

Almost surely, 2^85066123 is an apocalyptic number.

85066123 is a deficient number, since it is larger than the sum of its proper divisors (1).

85066123 is an equidigital number, since it uses as much as digits as its factorization.

85066123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 85066123 is about 9223.1297833219. The cubic root of 85066123 is about 439.7969500443.

The spelling of 85066123 in words is "eighty-five million, sixty-six thousand, one hundred twenty-three".