213313323 has 16 divisors (see below), whose sum is σ = 303609600. Its totient is φ = 132824160.

The previous prime is 213313301. The next prime is 213313343. The reversal of 213313323 is 323313312.

It is not a de Polignac number, because 213313323 - 2⁵ = 213313291 is a prime.

It is a super-4 number, since 4×213313323⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213313323.

It is not an unprimeable number, because it can be changed into a prime (213313343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22308 + ... + 30401.

It is an arithmetic number, because the mean of its divisors is an integer number (18975600).

Almost surely, 2^213313323 is an apocalyptic number.

213313323 is a deficient number, since it is larger than the sum of its proper divisors (90296277).

213313323 is a wasteful number, since it uses less digits than its factorization.

213313323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52802.

The product of its digits is 972, while the sum is 21.

The square root of 213313323 is about 14605.2498438062. The cubic root of 213313323 is about 597.5019501229.

Adding to 213313323 its reverse (323313312), we get a palindrome (536626635).

The spelling of 213313323 in words is "two hundred thirteen million, three hundred thirteen thousand, three hundred twenty-three".