233220424433 has 2 divisors, whose sum is σ = 233220424434. Its totient is φ = 233220424432.

The previous prime is 233220424403. The next prime is 233220424457. The reversal of 233220424433 is 334424022332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231829731169 + 1390693264 = 481487^2 + 37292^2 .

It is a cyclic number.

It is not a de Polignac number, because 233220424433 - 2¹² = 233220420337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233220424433.

It is not a weakly prime, because it can be changed into another prime (233220424403) 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 as a sum of consecutive naturals, namely, 116610212216 + 116610212217.

It is an arithmetic number, because the mean of its divisors is an integer number (116610212217).

Almost surely, 2^233220424433 is an apocalyptic number.

It is an amenable number.

233220424433 is a deficient number, since it is larger than the sum of its proper divisors (1).

233220424433 is an equidigital number, since it uses as much as digits as its factorization.

233220424433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 233220424433 its reverse (334424022332), we get a palindrome (567644446765).

The spelling of 233220424433 in words is "two hundred thirty-three billion, two hundred twenty million, four hundred twenty-four thousand, four hundred thirty-three".