203214143 has 8 divisors (see below), whose sum is σ = 223382016. Its totient is φ = 183328600.

The previous prime is 203214133. The next prime is 203214197. The reversal of 203214143 is 341412302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203214143 - 2⁸ = 203213887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203214133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69071 + ... + 71952.

It is an arithmetic number, because the mean of its divisors is an integer number (27922752).

Almost surely, 2^203214143 is an apocalyptic number.

203214143 is a deficient number, since it is larger than the sum of its proper divisors (20167873).

203214143 is a wasteful number, since it uses less digits than its factorization.

203214143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141165.

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

The square root of 203214143 is about 14255.3198140203. The cubic root of 203214143 is about 587.9196511602.

Adding to 203214143 its reverse (341412302), we get a palindrome (544626445).

The spelling of 203214143 in words is "two hundred three million, two hundred fourteen thousand, one hundred forty-three".