223021021244433 has 4 divisors (see below), whose sum is σ = 297361361659248. Its totient is φ = 148680680829620.

The previous prime is 223021021244407. The next prime is 223021021244531. The reversal of 223021021244433 is 334442120120322.

It is a happy number.

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 223021021244433 - 2¹⁰ = 223021021243409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223021021244394 and 223021021244403.

It is not an unprimeable number, because it can be changed into a prime (223021021244533) 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, 37170170207403 + ... + 37170170207408.

It is an arithmetic number, because the mean of its divisors is an integer number (74340340414812).

Almost surely, 2^{223021021244433} is an apocalyptic number.

It is an amenable number.

223021021244433 is a deficient number, since it is larger than the sum of its proper divisors (74340340414815).

223021021244433 is an equidigital number, since it uses as much as digits as its factorization.

223021021244433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74340340414814.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 223021021244433 its reverse (334442120120322), we get a palindrome (557463141364755).

The spelling of 223021021244433 in words is "two hundred twenty-three trillion, twenty-one billion, twenty-one million, two hundred forty-four thousand, four hundred thirty-three".