213328143 has 48 divisors (see below), whose sum is σ = 382720000. Its totient is φ = 111741120.

The previous prime is 213328103. The next prime is 213328153. The reversal of 213328143 is 341823312.

213328143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213328143 - 2¹⁸ = 213065999 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 (213328103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34233 + ... + 39981.

Almost surely, 2^213328143 is an apocalyptic number.

213328143 is a deficient number, since it is larger than the sum of its proper divisors (169391857).

213328143 is a wasteful number, since it uses less digits than its factorization.

213328143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812 (or 5809 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 213328143 is about 14605.7571868082. The cubic root of 213328143 is about 597.5157870049.

It can be divided in two parts, 2133 and 28143, that added together give a square (30276 = 174²).

The spelling of 213328143 in words is "two hundred thirteen million, three hundred twenty-eight thousand, one hundred forty-three".