1323142211 has 4 divisors (see below), whose sum is σ = 1326129432. Its totient is φ = 1320154992.

The previous prime is 1323142189. The next prime is 1323142213. The reversal of 1323142211 is 1122413231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1122413231 = 11783 ⋅95257.

It is a cyclic number.

It is not a de Polignac number, because 1323142211 - 2¹⁰ = 1323141187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323142213) 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, 1492946 + ... + 1493831.

It is an arithmetic number, because the mean of its divisors is an integer number (331532358).

Almost surely, 2^1323142211 is an apocalyptic number.

1323142211 is a deficient number, since it is larger than the sum of its proper divisors (2987221).

1323142211 is an equidigital number, since it uses as much as digits as its factorization.

1323142211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987220.

The product of its digits is 288, while the sum is 20.

The square root of 1323142211 is about 36375.0218006808. The cubic root of 1323142211 is about 1097.8310459532.

Adding to 1323142211 its reverse (1122413231), we get a palindrome (2445555442).

The spelling of 1323142211 in words is "one billion, three hundred twenty-three million, one hundred forty-two thousand, two hundred eleven".