234143312321 has 8 divisors (see below), whose sum is σ = 234325027464. Its totient is φ = 233961661440.

The previous prime is 234143312311. The next prime is 234143312327. The reversal of 234143312321 is 123213341432.

It can be written as a sum of positive squares in 4 ways, for example, as 10513631296 + 223629681025 = 102536^2 + 472895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234143312321 - 2²⁶ = 234076203457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (234143312327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9234341 + ... + 9259661.

It is an arithmetic number, because the mean of its divisors is an integer number (29290628433).

Almost surely, 2^234143312321 is an apocalyptic number.

It is an amenable number.

234143312321 is a deficient number, since it is larger than the sum of its proper divisors (181715143).

234143312321 is a wasteful number, since it uses less digits than its factorization.

234143312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32131.

The product of its digits is 10368, while the sum is 29.

Adding to 234143312321 its reverse (123213341432), we get a palindrome (357356653753).

The spelling of 234143312321 in words is "two hundred thirty-four billion, one hundred forty-three million, three hundred twelve thousand, three hundred twenty-one".