223224823 has 2 divisors, whose sum is σ = 223224824. Its totient is φ = 223224822.

The previous prime is 223224733. The next prime is 223224877. The reversal of 223224823 is 328422322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223224823 - 2⁹ = 223224311 is a prime.

It is a super-3 number, since 3×223224823³ (a number of 26 digits) contains 333 as substring.

It is equal to p_12290473 and since 223224823 and 12290473 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 223224791 and 223224800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223222823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111612411 + 111612412.

It is an arithmetic number, because the mean of its divisors is an integer number (111612412).

Almost surely, 2^223224823 is an apocalyptic number.

223224823 is a deficient number, since it is larger than the sum of its proper divisors (1).

223224823 is an equidigital number, since it uses as much as digits as its factorization.

223224823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 28.

The square root of 223224823 is about 14940.7102575480. The cubic root of 223224823 is about 606.6164210221.

The spelling of 223224823 in words is "two hundred twenty-three million, two hundred twenty-four thousand, eight hundred twenty-three".