234421343 has 4 divisors (see below), whose sum is σ = 252453768. Its totient is φ = 216388920.

The previous prime is 234421321. The next prime is 234421351. The reversal of 234421343 is 343124432.

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

It is a cyclic number.

It is not a de Polignac number, because 234421343 - 2⁸ = 234421087 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 (234421043) 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, 9016193 + ... + 9016218.

It is an arithmetic number, because the mean of its divisors is an integer number (63113442).

Almost surely, 2^234421343 is an apocalyptic number.

234421343 is a deficient number, since it is larger than the sum of its proper divisors (18032425).

234421343 is a wasteful number, since it uses less digits than its factorization.

234421343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18032424.

The product of its digits is 6912, while the sum is 26.

The square root of 234421343 is about 15310.8243736253. The cubic root of 234421343 is about 616.5936529414.

Adding to 234421343 its reverse (343124432), we get a palindrome (577545775).

The spelling of 234421343 in words is "two hundred thirty-four million, four hundred twenty-one thousand, three hundred forty-three".