1323002322 has 56 divisors (see below), whose sum is σ = 3150476316. Its totient is φ = 415051776.

The previous prime is 1323002299. The next prime is 1323002323. The reversal of 1323002322 is 2232003231.

It is a happy number.

1323002322 is a `hidden beast` number, since 132 + 300 + 232 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 992817081 + 330185241 = 31509^2 + 18171^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1323002295 and 1323002304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323002323) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1903 + ... + 51474.

Almost surely, 2^1323002322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323002322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1575238158).

1323002322 is an abundant number, since it is smaller than the sum of its proper divisors (1827473994).

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

1323002322 is an equidigital number, since it uses as much as digits as its factorization.

1323002322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53414 (or 53399 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1323002322 is about 36373.0988781544. The cubic root of 1323002322 is about 1097.7923552520.

Adding to 1323002322 its reverse (2232003231), we get a palindrome (3555005553).

Subtracting 1323002322 from its reverse (2232003231), we obtain a palindrome (909000909).

The spelling of 1323002322 in words is "one billion, three hundred twenty-three million, two thousand, three hundred twenty-two".