223264543 has 2 divisors, whose sum is σ = 223264544. Its totient is φ = 223264542.

The previous prime is 223264537. The next prime is 223264577. The reversal of 223264543 is 345462322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223264543 is a prime.

It is a super-3 number, since 3×223264543³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223264513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111632271 + 111632272.

It is an arithmetic number, because the mean of its divisors is an integer number (111632272).

Almost surely, 2^223264543 is an apocalyptic number.

223264543 is a deficient number, since it is larger than the sum of its proper divisors (1).

223264543 is an equidigital number, since it uses as much as digits as its factorization.

223264543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 31.

The square root of 223264543 is about 14942.0394524978. The cubic root of 223264543 is about 606.6523987641.

The spelling of 223264543 in words is "two hundred twenty-three million, two hundred sixty-four thousand, five hundred forty-three".