223223113021 has 4 divisors (see below), whose sum is σ = 223530160672. Its totient is φ = 222916065372.

The previous prime is 223223113019. The next prime is 223223113037. The reversal of 223223113021 is 120311322322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223223113021 - 2¹ = 223223113019 is a prime.

It is a super-3 number, since 3×223223113021³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223223112983 and 223223113001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223223143021) 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, 153522735 + ... + 153524188.

It is an arithmetic number, because the mean of its divisors is an integer number (55882540168).

Almost surely, 2^223223113021 is an apocalyptic number.

It is an amenable number.

223223113021 is a deficient number, since it is larger than the sum of its proper divisors (307047651).

223223113021 is an equidigital number, since it uses as much as digits as its factorization.

223223113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307047650.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 223223113021 its reverse (120311322322), we get a palindrome (343534435343).

The spelling of 223223113021 in words is "two hundred twenty-three billion, two hundred twenty-three million, one hundred thirteen thousand, twenty-one".