234422143 has 2 divisors, whose sum is σ = 234422144. Its totient is φ = 234422142.

The previous prime is 234422137. The next prime is 234422183. The reversal of 234422143 is 341224432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234422143 - 2¹³ = 234413951 is a prime.

It is a super-3 number, since 3×234422143³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234422113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117211071 + 117211072.

It is an arithmetic number, because the mean of its divisors is an integer number (117211072).

Almost surely, 2^234422143 is an apocalyptic number.

234422143 is a deficient number, since it is larger than the sum of its proper divisors (1).

234422143 is an equidigital number, since it uses as much as digits as its factorization.

234422143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 25.

The square root of 234422143 is about 15310.8504989109. The cubic root of 234422143 is about 616.5943543484.

Adding to 234422143 its reverse (341224432), we get a palindrome (575646575).

The spelling of 234422143 in words is "two hundred thirty-four million, four hundred twenty-two thousand, one hundred forty-three".