8230143 has 4 divisors (see below), whose sum is σ = 10973528. Its totient is φ = 5486760.

The previous prime is 8230139. The next prime is 8230153. The reversal of 8230143 is 3410328.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8230143 - 2² = 8230139 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 (8230153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371688 + ... + 1371693.

It is an arithmetic number, because the mean of its divisors is an integer number (2743382).

Almost surely, 2^8230143 is an apocalyptic number.

8230143 is a deficient number, since it is larger than the sum of its proper divisors (2743385).

8230143 is a wasteful number, since it uses less digits than its factorization.

8230143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743384.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 8230143 is about 2868.8225807812. The cubic root of 8230143 is about 201.8997558359.

The spelling of 8230143 in words is "eight million, two hundred thirty thousand, one hundred forty-three".