213023213323 has 4 divisors (see below), whose sum is σ = 213024438000. Its totient is φ = 213021988648.

The previous prime is 213023213321. The next prime is 213023213327. The reversal of 213023213323 is 323312320312.

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

It is a cyclic number.

It is not a de Polignac number, because 213023213323 - 2¹ = 213023213321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213023213321) 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 3 ways as a sum of consecutive naturals, for example, 297448 + ... + 717301.

It is an arithmetic number, because the mean of its divisors is an integer number (53256109500).

Almost surely, 2^213023213323 is an apocalyptic number.

213023213323 is a deficient number, since it is larger than the sum of its proper divisors (1224677).

213023213323 is a wasteful number, since it uses less digits than its factorization.

213023213323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224676.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213023213323 its reverse (323312320312), we get a palindrome (536335533635).

The spelling of 213023213323 in words is "two hundred thirteen billion, twenty-three million, two hundred thirteen thousand, three hundred twenty-three".