234985143 has 16 divisors (see below), whose sum is σ = 318348800. Its totient is φ = 154159200.

The previous prime is 234985133. The next prime is 234985159. The reversal of 234985143 is 341589432.

234985143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 234985143 - 2⁵ = 234985111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234985133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46998 + ... + 51756.

It is an arithmetic number, because the mean of its divisors is an integer number (19896800).

Almost surely, 2^234985143 is an apocalyptic number.

234985143 is a deficient number, since it is larger than the sum of its proper divisors (83363657).

234985143 is a wasteful number, since it uses less digits than its factorization.

234985143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022.

The product of its digits is 103680, while the sum is 39.

The square root of 234985143 is about 15329.2251271876. The cubic root of 234985143 is about 617.0875743748.

The spelling of 234985143 in words is "two hundred thirty-four million, nine hundred eighty-five thousand, one hundred forty-three".