323213011111 has 4 divisors (see below), whose sum is σ = 328691197800. Its totient is φ = 317734824424.

The previous prime is 323213011103. The next prime is 323213011151. The reversal of 323213011111 is 111110312323.

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 323213011111 - 2³ = 323213011103 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 (323213011151) 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, 2739093256 + ... + 2739093373.

It is an arithmetic number, because the mean of its divisors is an integer number (82172799450).

Almost surely, 2^323213011111 is an apocalyptic number.

323213011111 is a deficient number, since it is larger than the sum of its proper divisors (5478186689).

323213011111 is an equidigital number, since it uses as much as digits as its factorization.

323213011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478186688.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 323213011111 its reverse (111110312323), we get a palindrome (434323323434).

The spelling of 323213011111 in words is "three hundred twenty-three billion, two hundred thirteen million, eleven thousand, one hundred eleven".