89856223 has 4 divisors (see below), whose sum is σ = 89875800. Its totient is φ = 89836648.

The previous prime is 89856209. The next prime is 89856227. The reversal of 89856223 is 32265898.

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 89856223 - 2¹⁷ = 89725151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89856223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89856227) 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, 1236 + ... + 13462.

It is an arithmetic number, because the mean of its divisors is an integer number (22468950).

Almost surely, 2^89856223 is an apocalyptic number.

89856223 is a deficient number, since it is larger than the sum of its proper divisors (19577).

89856223 is a wasteful number, since it uses less digits than its factorization.

89856223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19576.

The product of its digits is 207360, while the sum is 43.

The square root of 89856223 is about 9479.2522384416. The cubic root of 89856223 is about 447.9017093439.

It can be divided in two parts, 898 and 56223, that added together give a square (57121 = 239²).

The spelling of 89856223 in words is "eighty-nine million, eight hundred fifty-six thousand, two hundred twenty-three".