234218443 has 2 divisors, whose sum is σ = 234218444. Its totient is φ = 234218442.

The previous prime is 234218417. The next prime is 234218459. The reversal of 234218443 is 344812432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234218443 - 2⁹ = 234217931 is a prime.

It is equal to p_12861391 and since 234218443 and 12861391 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (234218483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117109221 + 117109222.

It is an arithmetic number, because the mean of its divisors is an integer number (117109222).

Almost surely, 2^234218443 is an apocalyptic number.

234218443 is a deficient number, since it is larger than the sum of its proper divisors (1).

234218443 is an equidigital number, since it uses as much as digits as its factorization.

234218443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 31.

The square root of 234218443 is about 15304.1969080380. The cubic root of 234218443 is about 616.4157070218.

The spelling of 234218443 in words is "two hundred thirty-four million, two hundred eighteen thousand, four hundred forty-three".