223564343 has 4 divisors (see below), whose sum is σ = 230776128. Its totient is φ = 216352560.

The previous prime is 223564333. The next prime is 223564421. The reversal of 223564343 is 343465322.

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 223564343 - 2⁸ = 223564087 is a prime.

It is a super-2 number, since 2×223564343² = 99962030922043298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223564333) 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, 3605846 + ... + 3605907.

It is an arithmetic number, because the mean of its divisors is an integer number (57694032).

Almost surely, 2^223564343 is an apocalyptic number.

223564343 is a deficient number, since it is larger than the sum of its proper divisors (7211785).

223564343 is an equidigital number, since it uses as much as digits as its factorization.

223564343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211784.

The product of its digits is 51840, while the sum is 32.

The square root of 223564343 is about 14952.0681847027. The cubic root of 223564343 is about 606.9238152645.

The spelling of 223564343 in words is "two hundred twenty-three million, five hundred sixty-four thousand, three hundred forty-three".