85928123 has 2 divisors, whose sum is σ = 85928124. Its totient is φ = 85928122.

The previous prime is 85928113. The next prime is 85928137. The reversal of 85928123 is 32182958.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85928123 - 2⁴ = 85928107 is a prime.

It is not a weakly prime, because it can be changed into another prime (85928113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42964061 + 42964062.

It is an arithmetic number, because the mean of its divisors is an integer number (42964062).

Almost surely, 2^85928123 is an apocalyptic number.

85928123 is a deficient number, since it is larger than the sum of its proper divisors (1).

85928123 is an equidigital number, since it uses as much as digits as its factorization.

85928123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 85928123 is about 9269.7423373037. The cubic root of 85928123 is about 441.2774908707.

It can be divided in two parts, 859 and 28123, that added together give a palindrome (28982).

The spelling of 85928123 in words is "eighty-five million, nine hundred twenty-eight thousand, one hundred twenty-three".