213233343 has 8 divisors (see below), whose sum is σ = 284604288. Its totient is φ = 142008984.

The previous prime is 213233327. The next prime is 213233353. The reversal of 213233343 is 343332312.

It is a happy number.

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

It is not a de Polignac number, because 213233343 - 2⁴ = 213233327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213233303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33205 + ... + 39102.

It is an arithmetic number, because the mean of its divisors is an integer number (35575536).

Almost surely, 2^213233343 is an apocalyptic number.

213233343 is a deficient number, since it is larger than the sum of its proper divisors (71370945).

213233343 is an equidigital number, since it uses as much as digits as its factorization.

213233343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73293.

The product of its digits is 3888, while the sum is 24.

The square root of 213233343 is about 14602.5115305553. The cubic root of 213233343 is about 597.4272647116.

Adding to 213233343 its reverse (343332312), we get a palindrome (556565655).

The spelling of 213233343 in words is "two hundred thirteen million, two hundred thirty-three thousand, three hundred forty-three".