85456223 has 4 divisors (see below), whose sum is σ = 85477800. Its totient is φ = 85434648.

The previous prime is 85456207. The next prime is 85456253. The reversal of 85456223 is 32265458.

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 85456223 - 2⁴ = 85456207 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 (85456253) 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, 2948 + ... + 13401.

It is an arithmetic number, because the mean of its divisors is an integer number (21369450).

Almost surely, 2^85456223 is an apocalyptic number.

85456223 is a deficient number, since it is larger than the sum of its proper divisors (21577).

85456223 is a wasteful number, since it uses less digits than its factorization.

85456223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21576.

The product of its digits is 57600, while the sum is 35.

The square root of 85456223 is about 9244.2535123178. The cubic root of 85456223 is about 440.4682051174.

The spelling of 85456223 in words is "eighty-five million, four hundred fifty-six thousand, two hundred twenty-three".