213223023311 has 8 divisors (see below), whose sum is σ = 226268380800. Its totient is φ = 200233535488.

The previous prime is 213223023289. The next prime is 213223023317. The reversal of 213223023311 is 113320322312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213223023311 - 2²² = 213218829007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213223023317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13959551 + ... + 13974816.

It is an arithmetic number, because the mean of its divisors is an integer number (28283547600).

Almost surely, 2^213223023311 is an apocalyptic number.

213223023311 is a deficient number, since it is larger than the sum of its proper divisors (13045357489).

213223023311 is a wasteful number, since it uses less digits than its factorization.

213223023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27934833.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213223023311 its reverse (113320322312), we get a palindrome (326543345623).

The spelling of 213223023311 in words is "two hundred thirteen billion, two hundred twenty-three million, twenty-three thousand, three hundred eleven".