211322310323 has 4 divisors (see below), whose sum is σ = 211567180608. Its totient is φ = 211077440040.

The previous prime is 211322310301. The next prime is 211322310371. The reversal of 211322310323 is 323013223112.

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 211322310323 - 2¹² = 211322306227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211322340323) 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, 122433848 + ... + 122435573.

It is an arithmetic number, because the mean of its divisors is an integer number (52891795152).

Almost surely, 2^211322310323 is an apocalyptic number.

211322310323 is a deficient number, since it is larger than the sum of its proper divisors (244870285).

211322310323 is an equidigital number, since it uses as much as digits as its factorization.

211322310323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244870284.

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

Adding to 211322310323 its reverse (323013223112), we get a palindrome (534335533435).

The spelling of 211322310323 in words is "two hundred eleven billion, three hundred twenty-two million, three hundred ten thousand, three hundred twenty-three".