1323213332 has 24 divisors (see below), whose sum is σ = 2648331840. Its totient is φ = 566683200.

The previous prime is 1323213323. The next prime is 1323213337. The reversal of 1323213332 is 2333123231.

It is a junction number, because it is equal to n+sod(n) for n = 1323213298 and 1323213307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323213337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24344 + ... + 56912.

It is an arithmetic number, because the mean of its divisors is an integer number (110347160).

Almost surely, 2^1323213332 is an apocalyptic number.

It is an amenable number.

1323213332 is an abundant number, since it is smaller than the sum of its proper divisors (1325118508).

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

1323213332 is a wasteful number, since it uses less digits than its factorization.

1323213332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34031 (or 34029 counting only the distinct ones).

The product of its digits is 1944, while the sum is 23.

The square root of 1323213332 is about 36375.9993952056. Note that the first 3 decimals coincide. The cubic root of 1323213332 is about 1097.8507156562.

Adding to 1323213332 its reverse (2333123231), we get a palindrome (3656336563).

The spelling of 1323213332 in words is "one billion, three hundred twenty-three million, two hundred thirteen thousand, three hundred thirty-two".