85123653 has 8 divisors (see below), whose sum is σ = 114195168. Its totient is φ = 56400624.

The previous prime is 85123637. The next prime is 85123657. The reversal of 85123653 is 35632158.

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

It is not a de Polignac number, because 85123653 - 2⁴ = 85123637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85123657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86550 + ... + 87527.

It is an arithmetic number, because the mean of its divisors is an integer number (14274396).

Almost surely, 2^85123653 is an apocalyptic number.

It is an amenable number.

85123653 is a deficient number, since it is larger than the sum of its proper divisors (29071515).

85123653 is a wasteful number, since it uses less digits than its factorization.

85123653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174243.

The product of its digits is 21600, while the sum is 33.

The square root of 85123653 is about 9226.2480456576. The cubic root of 85123653 is about 439.8960722173.

The spelling of 85123653 in words is "eighty-five million, one hundred twenty-three thousand, six hundred fifty-three".