1323111424 has 44 divisors (see below), whose sum is σ = 2661493024. Its totient is φ = 657414144.

The previous prime is 1323111359. The next prime is 1323111437. The reversal of 1323111424 is 4241113231.

It is a junction number, because it is equal to n+sod(n) for n = 1323111395 and 1323111404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162949 + ... + 170875.

Almost surely, 2^1323111424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323111424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330746512).

1323111424 is an abundant number, since it is smaller than the sum of its proper divisors (1338381600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323111424 is an equidigital number, since it uses as much as digits as its factorization.

1323111424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110 (or 8092 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1323111424 is about 36374.5986094692. The cubic root of 1323111424 is about 1097.8225310744.

Adding to 1323111424 its reverse (4241113231), we get a palindrome (5564224655).

The spelling of 1323111424 in words is "one billion, three hundred twenty-three million, one hundred eleven thousand, four hundred twenty-four".