213044323 has 16 divisors (see below), whose sum is σ = 232019424. Its totient is φ = 194826240.

The previous prime is 213044303. The next prime is 213044329. The reversal of 213044323 is 323440312.

It is a happy number.

213044323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213044323 - 2¹⁷ = 212913251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213044294 and 213044303.

It is not an unprimeable number, because it can be changed into a prime (213044329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234436 + ... + 235342.

It is an arithmetic number, because the mean of its divisors is an integer number (14501214).

Almost surely, 2^213044323 is an apocalyptic number.

213044323 is a deficient number, since it is larger than the sum of its proper divisors (18975101).

213044323 is a wasteful number, since it uses less digits than its factorization.

213044323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 213044323 is about 14596.0379212991. The cubic root of 213044323 is about 597.2506833759.

Adding to 213044323 its reverse (323440312), we get a palindrome (536484635).

The spelling of 213044323 in words is "two hundred thirteen million, forty-four thousand, three hundred twenty-three".