4143238287 has 16 divisors (see below), whose sum is σ = 5821772160. Its totient is φ = 2613766752.

The previous prime is 4143238273. The next prime is 4143238301. The reversal of 4143238287 is 7828323414.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4143238273) and next prime (4143238301).

It is not a de Polignac number, because 4143238287 - 2⁷ = 4143238159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143238237) 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, 8548 + ... + 91430.

It is an arithmetic number, because the mean of its divisors is an integer number (363860760).

Almost surely, 2^4143238287 is an apocalyptic number.

4143238287 is a deficient number, since it is larger than the sum of its proper divisors (1678533873).

4143238287 is a wasteful number, since it uses less digits than its factorization.

4143238287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83782.

The product of its digits is 258048, while the sum is 42.

The square root of 4143238287 is about 64367.9911679711. The cubic root of 4143238287 is about 1606.1273236069.

The spelling of 4143238287 in words is "four billion, one hundred forty-three million, two hundred thirty-eight thousand, two hundred eighty-seven".