85255723 has 4 divisors (see below), whose sum is σ = 97435120. Its totient is φ = 73076328.

The previous prime is 85255693. The next prime is 85255739. The reversal of 85255723 is 32755258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32755258 = 2 ⋅16377629.

It is a cyclic number.

It is not a de Polignac number, because 85255723 - 2¹³ = 85247531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85255783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6089688 + ... + 6089701.

It is an arithmetic number, because the mean of its divisors is an integer number (24358780).

Almost surely, 2^85255723 is an apocalyptic number.

85255723 is a deficient number, since it is larger than the sum of its proper divisors (12179397).

85255723 is a wasteful number, since it uses less digits than its factorization.

85255723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12179396.

The product of its digits is 84000, while the sum is 37.

The square root of 85255723 is about 9233.4025689342. The cubic root of 85255723 is about 440.1234553714.

The spelling of 85255723 in words is "eighty-five million, two hundred fifty-five thousand, seven hundred twenty-three".