223132643 has 2 divisors, whose sum is σ = 223132644. Its totient is φ = 223132642.

The previous prime is 223132519. The next prime is 223132649. The reversal of 223132643 is 346231322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223132643 - 2⁸ = 223132387 is a prime.

It is a super-3 number, since 3×223132643³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223132649) 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, 111566321 + 111566322.

It is an arithmetic number, because the mean of its divisors is an integer number (111566322).

Almost surely, 2^223132643 is an apocalyptic number.

223132643 is a deficient number, since it is larger than the sum of its proper divisors (1).

223132643 is an equidigital number, since it uses as much as digits as its factorization.

223132643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 26.

The square root of 223132643 is about 14937.6250789742. The cubic root of 223132643 is about 606.5329094011.

Adding to 223132643 its reverse (346231322), we get a palindrome (569363965).

The spelling of 223132643 in words is "two hundred twenty-three million, one hundred thirty-two thousand, six hundred forty-three".