8120223 has 8 divisors (see below), whose sum is σ = 12030000. Its totient is φ = 5413464.

The previous prime is 8120213. The next prime is 8120243. The reversal of 8120223 is 3220218.

It is a happy number.

8120223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8120223 - 2⁴ = 8120207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8120196 and 8120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150348 + ... + 150401.

It is an arithmetic number, because the mean of its divisors is an integer number (1503750).

Almost surely, 2^8120223 is an apocalyptic number.

8120223 is a deficient number, since it is larger than the sum of its proper divisors (3909777).

8120223 is a wasteful number, since it uses less digits than its factorization.

8120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300758 (or 300752 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8120223 is about 2849.6004983155. The cubic root of 8120223 is about 200.9968812169.

It can be divided in two parts, 81202 and 23, that added together give a square (81225 = 285²).

The spelling of 8120223 in words is "eight million, one hundred twenty thousand, two hundred twenty-three".