223021231333 has 4 divisors (see below), whose sum is σ = 227229179148. Its totient is φ = 218813283520.

The previous prime is 223021231331. The next prime is 223021231343. The reversal of 223021231333 is 333132120322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333132120322 = 2 ⋅166566060161.

It can be written as a sum of positive squares in 2 ways, for example, as 64507364289 + 158513867044 = 253983^2 + 398138^2 .

It is a cyclic number.

It is not a de Polignac number, because 223021231333 - 2¹ = 223021231331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223021231298 and 223021231307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223021231331) 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 3 ways as a sum of consecutive naturals, for example, 2103973828 + ... + 2103973933.

It is an arithmetic number, because the mean of its divisors is an integer number (56807294787).

Almost surely, 2^223021231333 is an apocalyptic number.

It is an amenable number.

223021231333 is a deficient number, since it is larger than the sum of its proper divisors (4207947815).

223021231333 is an equidigital number, since it uses as much as digits as its factorization.

223021231333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207947814.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 223021231333 its reverse (333132120322), we get a palindrome (556153351655).

The spelling of 223021231333 in words is "two hundred twenty-three billion, twenty-one million, two hundred thirty-one thousand, three hundred thirty-three".