213112343 has 8 divisors (see below), whose sum is σ = 218495376. Its totient is φ = 207748800.

The previous prime is 213112283. The next prime is 213112351. The reversal of 213112343 is 343211312.

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 213112343 - 2⁸ = 213112087 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 (213112363) 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, 18683 + ... + 27843.

It is an arithmetic number, because the mean of its divisors is an integer number (27311922).

Almost surely, 2^213112343 is an apocalyptic number.

213112343 is a deficient number, since it is larger than the sum of its proper divisors (5383033).

213112343 is an equidigital number, since it uses as much as digits as its factorization.

213112343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9745.

The product of its digits is 432, while the sum is 20.

The square root of 213112343 is about 14598.3678197256. The cubic root of 213112343 is about 597.3142392722.

Adding to 213112343 its reverse (343211312), we get a palindrome (556323655).

The spelling of 213112343 in words is "two hundred thirteen million, one hundred twelve thousand, three hundred forty-three".