143230163 has 4 divisors (see below), whose sum is σ = 143272008. Its totient is φ = 143188320.

The previous prime is 143230147. The next prime is 143230169. The reversal of 143230163 is 361032341.

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

It is a cyclic number.

It is not a de Polignac number, because 143230163 - 2⁴ = 143230147 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143230169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15281 + ... + 22802.

It is an arithmetic number, because the mean of its divisors is an integer number (35818002).

Almost surely, 2^143230163 is an apocalyptic number.

143230163 is a deficient number, since it is larger than the sum of its proper divisors (41845).

143230163 is an equidigital number, since it uses as much as digits as its factorization.

143230163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41844.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 143230163 is about 11967.8804723309. The cubic root of 143230163 is about 523.2125613729.

The spelling of 143230163 in words is "one hundred forty-three million, two hundred thirty thousand, one hundred sixty-three".