234220143 has 16 divisors (see below), whose sum is σ = 318124800. Its totient is φ = 153257280.

The previous prime is 234220127. The next prime is 234220157. The reversal of 234220143 is 341022432.

It is not a de Polignac number, because 234220143 - 2⁴ = 234220127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234220123) 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, 33958 + ... + 40268.

It is an arithmetic number, because the mean of its divisors is an integer number (19882800).

Almost surely, 2^234220143 is an apocalyptic number.

234220143 is a deficient number, since it is larger than the sum of its proper divisors (83904657).

234220143 is a wasteful number, since it uses less digits than its factorization.

234220143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 234220143 is about 15304.2524482576. The cubic root of 234220143 is about 616.4171983706.

Adding to 234220143 its reverse (341022432), we get a palindrome (575242575).

The spelling of 234220143 in words is "two hundred thirty-four million, two hundred twenty thousand, one hundred forty-three".