1323225340 has 48 divisors (see below), whose sum is σ = 2878444800. Its totient is φ = 510354432.

The previous prime is 1323225331. The next prime is 1323225383. The reversal of 1323225340 is 435223231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751381 + ... + 753139.

It is an arithmetic number, because the mean of its divisors is an integer number (59967600).

Almost surely, 2^1323225340 is an apocalyptic number.

1323225340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323225340 is an abundant number, since it is smaller than the sum of its proper divisors (1555219460).

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

1323225340 is a wasteful number, since it uses less digits than its factorization.

1323225340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094 (or 3092 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1323225340 is about 36376.1644487156. The cubic root of 1323225340 is about 1097.8540366000.

Adding to 1323225340 its reverse (435223231), we get a palindrome (1758448571).

The spelling of 1323225340 in words is "one billion, three hundred twenty-three million, two hundred twenty-five thousand, three hundred forty".