234143432321 has 8 divisors (see below), whose sum is σ = 237118237824. Its totient is φ = 231182118720.

The previous prime is 234143432297. The next prime is 234143432333. The reversal of 234143432321 is 123234341432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234143432321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234143432351) 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, 3338045 + ... + 3407466.

It is an arithmetic number, because the mean of its divisors is an integer number (29639779728).

Almost surely, 2^234143432321 is an apocalyptic number.

It is an amenable number.

234143432321 is a deficient number, since it is larger than the sum of its proper divisors (2974805503).

234143432321 is a wasteful number, since it uses less digits than its factorization.

234143432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745951.

The product of its digits is 41472, while the sum is 32.

Adding to 234143432321 its reverse (123234341432), we get a palindrome (357377773753).

The spelling of 234143432321 in words is "two hundred thirty-four billion, one hundred forty-three million, four hundred thirty-two thousand, three hundred twenty-one".