213221033022323 has 4 divisors (see below), whose sum is σ = 213244277448048. Its totient is φ = 213197788596600.

The previous prime is 213221033022311. The next prime is 213221033022331. The reversal of 213221033022323 is 323220330122312.

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 213221033022323 - 2³⁴ = 213203853153139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213221033022523) 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, 11622199103 + ... + 11622217448.

It is an arithmetic number, because the mean of its divisors is an integer number (53311069362012).

Almost surely, 2^{213221033022323} is an apocalyptic number.

213221033022323 is a deficient number, since it is larger than the sum of its proper divisors (23244425725).

213221033022323 is an equidigital number, since it uses as much as digits as its factorization.

213221033022323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23244425724.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 213221033022323 its reverse (323220330122312), we get a palindrome (536441363144635).

The spelling of 213221033022323 in words is "two hundred thirteen trillion, two hundred twenty-one billion, thirty-three million, twenty-two thousand, three hundred twenty-three".