234401143 has 2 divisors, whose sum is σ = 234401144. Its totient is φ = 234401142.

The previous prime is 234401087. The next prime is 234401177. The reversal of 234401143 is 341104432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234401143 - 2⁹ = 234400631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234401183) 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, 117200571 + 117200572.

It is an arithmetic number, because the mean of its divisors is an integer number (117200572).

Almost surely, 2^234401143 is an apocalyptic number.

234401143 is a deficient number, since it is larger than the sum of its proper divisors (1).

234401143 is an equidigital number, since it uses as much as digits as its factorization.

234401143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 234401143 is about 15310.1646953911. The cubic root of 234401143 is about 616.5759418840.

Adding to 234401143 its reverse (341104432), we get a palindrome (575505575).

The spelling of 234401143 in words is "two hundred thirty-four million, four hundred one thousand, one hundred forty-three".