213101323 has 4 divisors (see below), whose sum is σ = 213695280. Its totient is φ = 212507368.

The previous prime is 213101293. The next prime is 213101327. The reversal of 213101323 is 323101312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213101323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213101297 and 213101306.

It is not an unprimeable number, because it can be changed into a prime (213101327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296440 + ... + 297157.

It is an arithmetic number, because the mean of its divisors is an integer number (53423820).

Almost surely, 2^213101323 is an apocalyptic number.

213101323 is a deficient number, since it is larger than the sum of its proper divisors (593957).

213101323 is an equidigital number, since it uses as much as digits as its factorization.

213101323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593956.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 213101323 is about 14597.9903753907. The cubic root of 213101323 is about 597.3039434250.

Adding to 213101323 its reverse (323101312), we get a palindrome (536202635).

The spelling of 213101323 in words is "two hundred thirteen million, one hundred one thousand, three hundred twenty-three".