234864143 has 2 divisors, whose sum is σ = 234864144. Its totient is φ = 234864142.

The previous prime is 234864139. The next prime is 234864229. The reversal of 234864143 is 341468432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234864143 - 2² = 234864139 is a prime.

It is a super-2 number, since 2×234864143² = 110322331334248898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234864103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117432071 + 117432072.

It is an arithmetic number, because the mean of its divisors is an integer number (117432072).

Almost surely, 2^234864143 is an apocalyptic number.

234864143 is a deficient number, since it is larger than the sum of its proper divisors (1).

234864143 is an equidigital number, since it uses as much as digits as its factorization.

234864143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 35.

The square root of 234864143 is about 15325.2779093888. The cubic root of 234864143 is about 616.9816380089.

The spelling of 234864143 in words is "two hundred thirty-four million, eight hundred sixty-four thousand, one hundred forty-three".