8401223 has 4 divisors (see below), whose sum is σ = 8410800. Its totient is φ = 8391648.

The previous prime is 8401219. The next prime is 8401241. The reversal of 8401223 is 3221048.

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 8401223 - 2² = 8401219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8401195 and 8401204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8401243) 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, 3323 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (2102700).

Almost surely, 2^8401223 is an apocalyptic number.

8401223 is a deficient number, since it is larger than the sum of its proper divisors (9577).

8401223 is an equidigital number, since it uses as much as digits as its factorization.

8401223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9576.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 8401223 is about 2898.4863291035. The cubic root of 8401223 is about 203.2891363822.

The spelling of 8401223 in words is "eight million, four hundred one thousand, two hundred twenty-three".