223021344343 has 16 divisors (see below), whose sum is σ = 260170444800. Its totient is φ = 191097028248.

The previous prime is 223021344331. The next prime is 223021344361. The reversal of 223021344343 is 343443120322.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-223021344343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223021344323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929346 + ... + 1144432.

It is an arithmetic number, because the mean of its divisors is an integer number (16260652800).

Almost surely, 2^223021344343 is an apocalyptic number.

223021344343 is a deficient number, since it is larger than the sum of its proper divisors (37149100457).

223021344343 is an equidigital number, since it uses as much as digits as its factorization.

223021344343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218131 (or 218117 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 223021344343 its reverse (343443120322), we get a palindrome (566464464665).

The spelling of 223021344343 in words is "two hundred twenty-three billion, twenty-one million, three hundred forty-four thousand, three hundred forty-three".