85616023 has 2 divisors, whose sum is σ = 85616024. Its totient is φ = 85616022.

The previous prime is 85615997. The next prime is 85616059. The reversal of 85616023 is 32061658.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85616023 - 2²⁵ = 52061591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85616423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42808011 + 42808012.

It is an arithmetic number, because the mean of its divisors is an integer number (42808012).

Almost surely, 2^85616023 is an apocalyptic number.

85616023 is a deficient number, since it is larger than the sum of its proper divisors (1).

85616023 is an equidigital number, since it uses as much as digits as its factorization.

85616023 is an evil number, because the sum of its binary digits is even.

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

The square root of 85616023 is about 9252.8926828317. The cubic root of 85616023 is about 440.7425872850.

The spelling of 85616023 in words is "eighty-five million, six hundred sixteen thousand, twenty-three".