232205223141721 has 2 divisors, whose sum is σ = 232205223141722. Its totient is φ = 232205223141720.

The previous prime is 232205223141709. The next prime is 232205223141743. The reversal of 232205223141721 is 127141322502232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206220054212496 + 25985168929225 = 14360364^2 + 5097565^2 .

It is a cyclic number.

It is not a de Polignac number, because 232205223141721 - 2²¹ = 232205221044569 is a prime.

It is not a weakly prime, because it can be changed into another prime (232205223142721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116102611570860 + 116102611570861.

It is an arithmetic number, because the mean of its divisors is an integer number (116102611570861).

Almost surely, 2^{232205223141721} is an apocalyptic number.

It is an amenable number.

232205223141721 is a deficient number, since it is larger than the sum of its proper divisors (1).

232205223141721 is an equidigital number, since it uses as much as digits as its factorization.

232205223141721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 232205223141721 its reverse (127141322502232), we get a palindrome (359346545643953).

The spelling of 232205223141721 in words is "two hundred thirty-two trillion, two hundred five billion, two hundred twenty-three million, one hundred forty-one thousand, seven hundred twenty-one".