213143000243 has 8 divisors (see below), whose sum is σ = 220450853760. Its totient is φ = 205862163840.

The previous prime is 213143000207. The next prime is 213143000263. The reversal of 213143000243 is 342000341312.

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 213143000243 - 2⁸ = 213142999987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213143000263) 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, 6738230 + ... + 6769787.

It is an arithmetic number, because the mean of its divisors is an integer number (27556356720).

Almost surely, 2^213143000243 is an apocalyptic number.

213143000243 is a deficient number, since it is larger than the sum of its proper divisors (7307853517).

213143000243 is a wasteful number, since it uses less digits than its factorization.

213143000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13508557.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213143000243 its reverse (342000341312), we get a palindrome (555143341555).

The spelling of 213143000243 in words is "two hundred thirteen billion, one hundred forty-three million, two hundred forty-three", and thus it is an aban number.