234012143 has 6 divisors (see below), whose sum is σ = 244629504. Its totient is φ = 223837196.

The previous prime is 234012131. The next prime is 234012187. The reversal of 234012143 is 341210432.

It is a de Polignac number, because none of the positive numbers 2^k-234012143 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 (234012343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220655 + ... + 221712.

It is an arithmetic number, because the mean of its divisors is an integer number (40771584).

Almost surely, 2^234012143 is an apocalyptic number.

234012143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

234012143 is a deficient number, since it is larger than the sum of its proper divisors (10617361).

234012143 is an equidigital number, since it uses as much as digits as its factorization.

234012143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442413 (or 442390 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 234012143 is about 15297.4554420008. The cubic root of 234012143 is about 616.2346738615.

Adding to 234012143 its reverse (341210432), we get a palindrome (575222575).

The spelling of 234012143 in words is "two hundred thirty-four million, twelve thousand, one hundred forty-three".