234523041221321 has 2 divisors, whose sum is σ = 234523041221322. Its totient is φ = 234523041221320.

The previous prime is 234523041221237. The next prime is 234523041221377. The reversal of 234523041221321 is 123122140325432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140661046923721 + 93861994297600 = 11860061^2 + 9688240^2 .

It is a cyclic number.

It is not a de Polignac number, because 234523041221321 - 2²² = 234523037027017 is a prime.

It is not a weakly prime, because it can be changed into another prime (234523041223321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117261520610660 + 117261520610661.

It is an arithmetic number, because the mean of its divisors is an integer number (117261520610661).

Almost surely, 2^{234523041221321} is an apocalyptic number.

It is an amenable number.

234523041221321 is a deficient number, since it is larger than the sum of its proper divisors (1).

234523041221321 is an equidigital number, since it uses as much as digits as its factorization.

234523041221321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 234523041221321 its reverse (123122140325432), we get a palindrome (357645181546753).

The spelling of 234523041221321 in words is "two hundred thirty-four trillion, five hundred twenty-three billion, forty-one million, two hundred twenty-one thousand, three hundred twenty-one".