12356223 has 16 divisors (see below), whose sum is σ = 18061056. Its totient is φ = 7451840.

The previous prime is 12356209. The next prime is 12356231. The reversal of 12356223 is 32265321.

It is not a de Polignac number, because 12356223 - 2¹⁰ = 12355199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12356193 and 12356202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12356243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6886 + ... + 8492.

It is an arithmetic number, because the mean of its divisors is an integer number (1128816).

Almost surely, 2^12356223 is an apocalyptic number.

12356223 is a deficient number, since it is larger than the sum of its proper divisors (5704833).

12356223 is a wasteful number, since it uses less digits than its factorization.

12356223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

The product of its digits is 2160, while the sum is 24.

The square root of 12356223 is about 3515.1419601490. The cubic root of 12356223 is about 231.1862031952.

The spelling of 12356223 in words is "twelve million, three hundred fifty-six thousand, two hundred twenty-three".