1323223141 has 4 divisors (see below), whose sum is σ = 1323336672. Its totient is φ = 1323109612.

The previous prime is 1323223129. The next prime is 1323223177. The reversal of 1323223141 is 1413223231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1323223141 - 2¹⁵ = 1323190373 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 (1323223241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36985 + ... + 63358.

It is an arithmetic number, because the mean of its divisors is an integer number (330834168).

Almost surely, 2^1323223141 is an apocalyptic number.

It is an amenable number.

1323223141 is a deficient number, since it is larger than the sum of its proper divisors (113531).

1323223141 is a wasteful number, since it uses less digits than its factorization.

1323223141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113530.

The product of its digits is 864, while the sum is 22.

The square root of 1323223141 is about 36376.1342228665. The cubic root of 1323223141 is about 1097.8534284440.

Adding to 1323223141 its reverse (1413223231), we get a palindrome (2736446372).

The spelling of 1323223141 in words is "one billion, three hundred twenty-three million, two hundred twenty-three thousand, one hundred forty-one".