1324012223 has 4 divisors (see below), whose sum is σ = 1328242608. Its totient is φ = 1319781840.

The previous prime is 1324012213. The next prime is 1324012237. The reversal of 1324012223 is 3222104231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222104231 = 17 ⋅189535543.

It is a cyclic number.

It is not a de Polignac number, because 1324012223 - 2²⁶ = 1256903359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1324012195 and 1324012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324012213) 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, 2114723 + ... + 2115348.

It is an arithmetic number, because the mean of its divisors is an integer number (332060652).

Almost surely, 2^1324012223 is an apocalyptic number.

1324012223 is a deficient number, since it is larger than the sum of its proper divisors (4230385).

1324012223 is an equidigital number, since it uses as much as digits as its factorization.

1324012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230384.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1324012223 is about 36386.9787561430. The cubic root of 1324012223 is about 1098.0716139258.

Adding to 1324012223 its reverse (3222104231), we get a palindrome (4546116454).

The spelling of 1324012223 in words is "one billion, three hundred twenty-four million, twelve thousand, two hundred twenty-three".