233230030211021 has 2 divisors, whose sum is σ = 233230030211022. Its totient is φ = 233230030211020.

The previous prime is 233230030210997. The next prime is 233230030211029. The reversal of 233230030211021 is 120112030032332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178737139686121 + 54492890524900 = 13369261^2 + 7381930^2 .

It is a cyclic number.

It is not a de Polignac number, because 233230030211021 - 2¹⁰ = 233230030209997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233230030211029) 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 as a sum of consecutive naturals, namely, 116615015105510 + 116615015105511.

It is an arithmetic number, because the mean of its divisors is an integer number (116615015105511).

Almost surely, 2^{233230030211021} is an apocalyptic number.

It is an amenable number.

233230030211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

233230030211021 is an equidigital number, since it uses as much as digits as its factorization.

233230030211021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 233230030211021 its reverse (120112030032332), we get a palindrome (353342060243353).

The spelling of 233230030211021 in words is "two hundred thirty-three trillion, two hundred thirty billion, thirty million, two hundred eleven thousand, twenty-one".