234405343 has 2 divisors, whose sum is σ = 234405344. Its totient is φ = 234405342.

The previous prime is 234405277. The next prime is 234405349. The reversal of 234405343 is 343504432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234405343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234405349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117202671 + 117202672.

It is an arithmetic number, because the mean of its divisors is an integer number (117202672).

Almost surely, 2^234405343 is an apocalyptic number.

234405343 is a deficient number, since it is larger than the sum of its proper divisors (1).

234405343 is an equidigital number, since it uses as much as digits as its factorization.

234405343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 234405343 is about 15310.3018585526. The cubic root of 234405343 is about 616.5796244649.

Adding to 234405343 its reverse (343504432), we get a palindrome (577909775).

The spelling of 234405343 in words is "two hundred thirty-four million, four hundred five thousand, three hundred forty-three".