1323344020 has 24 divisors (see below), whose sum is σ = 2780162784. Its totient is φ = 529120416.

The previous prime is 1323343969. The next prime is 1323344021. The reversal of 1323344020 is 204433231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1323343982 and 1323344000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323344021) 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, 41919 + ... + 66361.

It is an arithmetic number, because the mean of its divisors is an integer number (115840116).

Almost surely, 2^1323344020 is an apocalyptic number.

1323344020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323344020 is an abundant number, since it is smaller than the sum of its proper divisors (1456818764).

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

1323344020 is a wasteful number, since it uses less digits than its factorization.

1323344020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27159 (or 27157 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1323344020 is about 36377.7957001245. The cubic root of 1323344020 is about 1097.8868577727.

Adding to 1323344020 its reverse (204433231), we get a palindrome (1527777251).

The spelling of 1323344020 in words is "one billion, three hundred twenty-three million, three hundred forty-four thousand, twenty".