213323 has 12 divisors (see below), whose sum is σ = 245784. Its totient is φ = 184800.

The previous prime is 213319. The next prime is 213329. The reversal of 213323 is 323312.

It is not a de Polignac number, because 213323 - 2² = 213319 is a prime.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 213298 and 213307.

It is not an unprimeable number, because it can be changed into a prime (213329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4940 + ... + 4982.

It is an arithmetic number, because the mean of its divisors is an integer number (20482).

2²¹³³²³ is an apocalyptic number.

213323 is a deficient number, since it is larger than the sum of its proper divisors (32461).

213323 is a wasteful number, since it uses less digits than its factorization.

213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 95 counting only the distinct ones).

The product of its digits is 108, while the sum is 14.

The square root of 213323 is about 461.8690290548. The cubic root of 213323 is about 59.7510985250.

Adding to 213323 its reverse (323312), we get a palindrome (536635).

The spelling of 213323 in words is "two hundred thirteen thousand, three hundred twenty-three".