223442301223 has 6 divisors (see below), whose sum is σ = 235821376464. Its totient is φ = 211682179764.

The previous prime is 223442301211. The next prime is 223442301227. The reversal of 223442301223 is 322103244322.

It is a de Polignac number, because none of the positive numbers 2^k-223442301223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223442301191 and 223442301200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223442301227) 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 in 5 ways as a sum of consecutive naturals, for example, 309476511 + ... + 309477232.

It is an arithmetic number, because the mean of its divisors is an integer number (39303562744).

Almost surely, 2^223442301223 is an apocalyptic number.

223442301223 is a deficient number, since it is larger than the sum of its proper divisors (12379075241).

223442301223 is an equidigital number, since it uses as much as digits as its factorization.

223442301223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618953781 (or 618953762 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 223442301223 its reverse (322103244322), we get a palindrome (545545545545).

The spelling of 223442301223 in words is "two hundred twenty-three billion, four hundred forty-two million, three hundred one thousand, two hundred twenty-three".