1323431223 has 8 divisors (see below), whose sum is σ = 1764811008. Its totient is φ = 882169464.

The previous prime is 1323431203. The next prime is 1323431227. The reversal of 1323431223 is 3221343231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1323431223 - 2²⁴ = 1306654007 is a prime.

It is a super-2 number, since 2×1323431223² = 3502940404022551458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1323431193 and 1323431202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323431227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236 + ... + 51462.

It is an arithmetic number, because the mean of its divisors is an integer number (220601376).

Almost surely, 2^1323431223 is an apocalyptic number.

1323431223 is a deficient number, since it is larger than the sum of its proper divisors (441379785).

1323431223 is an equidigital number, since it uses as much as digits as its factorization.

1323431223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59013.

The product of its digits is 2592, while the sum is 24.

The square root of 1323431223 is about 36378.9942549268. The cubic root of 1323431223 is about 1097.9109726723.

Adding to 1323431223 its reverse (3221343231), we get a palindrome (4544774454).

The spelling of 1323431223 in words is "one billion, three hundred twenty-three million, four hundred thirty-one thousand, two hundred twenty-three".