85659023 has 8 divisors (see below), whose sum is σ = 86799648. Its totient is φ = 84524544.

The previous prime is 85659017. The next prime is 85659089. The reversal of 85659023 is 32095658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85659023 - 2¹⁸ = 85396879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85659323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30911 + ... + 33567.

It is an arithmetic number, because the mean of its divisors is an integer number (10849956).

Almost surely, 2^85659023 is an apocalyptic number.

85659023 is a deficient number, since it is larger than the sum of its proper divisors (1140625).

85659023 is a wasteful number, since it uses less digits than its factorization.

85659023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 85659023 is about 9255.2159888357. The cubic root of 85659023 is about 440.8163614792.

The spelling of 85659023 in words is "eighty-five million, six hundred fifty-nine thousand, twenty-three".