85814723 has 4 divisors (see below), whose sum is σ = 85852728. Its totient is φ = 85776720.

The previous prime is 85814717. The next prime is 85814731. The reversal of 85814723 is 32741858.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85814723 - 2⁸ = 85814467 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85814783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15386 + ... + 20207.

It is an arithmetic number, because the mean of its divisors is an integer number (21463182).

Almost surely, 2^85814723 is an apocalyptic number.

85814723 is a deficient number, since it is larger than the sum of its proper divisors (38005).

85814723 is a wasteful number, since it uses less digits than its factorization.

85814723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38004.

The product of its digits is 53760, while the sum is 38.

The square root of 85814723 is about 9263.6236430460. The cubic root of 85814723 is about 441.0832863232.

The spelling of 85814723 in words is "eighty-five million, eight hundred fourteen thousand, seven hundred twenty-three".