1323020322 has 48 divisors (see below), whose sum is σ = 3170501880. Its totient is φ = 396078336.

The previous prime is 1323020299. The next prime is 1323020353. The reversal of 1323020322 is 2230203231.

It is a happy number.

1323020322 is a `hidden beast` number, since 1 + 323 + 0 + 20 + 322 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1076561721 + 246458601 = 32811^2 + 15699^2 .

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 = 1323020295 and 1323020304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67747 + ... + 85062.

Almost surely, 2^1323020322 is an apocalyptic number.

1323020322 is an abundant number, since it is smaller than the sum of its proper divisors (1847481558).

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

1323020322 is a wasteful number, since it uses less digits than its factorization.

1323020322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152867 (or 152864 counting only the distinct ones).

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

The square root of 1323020322 is about 36373.3463129253. The cubic root of 1323020322 is about 1097.7973338708.

Adding to 1323020322 its reverse (2230203231), we get a palindrome (3553223553).

It can be divided in two parts, 1 and 323020322, that added together give a palindrome (323020323).

The spelling of 1323020322 in words is "one billion, three hundred twenty-three million, twenty thousand, three hundred twenty-two".