234103340221 has 4 divisors (see below), whose sum is σ = 234385733500. Its totient is φ = 233820946944.

The previous prime is 234103340197. The next prime is 234103340239. The reversal of 234103340221 is 122043301432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176269824025 + 57833516196 = 419845^2 + 240486^2 .

It is a cyclic number.

It is not a de Polignac number, because 234103340221 - 2¹⁷ = 234103209149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234103340281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141195396 + ... + 141197053.

It is an arithmetic number, because the mean of its divisors is an integer number (58596433375).

Almost surely, 2^234103340221 is an apocalyptic number.

It is an amenable number.

234103340221 is a deficient number, since it is larger than the sum of its proper divisors (282393279).

234103340221 is an equidigital number, since it uses as much as digits as its factorization.

234103340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282393278.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 234103340221 its reverse (122043301432), we get a palindrome (356146641653).

The spelling of 234103340221 in words is "two hundred thirty-four billion, one hundred three million, three hundred forty thousand, two hundred twenty-one".