1323321523152 has 40 divisors (see below), whose sum is σ = 3466729632960. Its totient is φ = 434894396160.

The previous prime is 1323321523099. The next prime is 1323321523187. The reversal of 1323321523152 is 2513251233231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194145877 + ... + 194152692.

It is an arithmetic number, because the mean of its divisors is an integer number (86668240824).

Almost surely, 2^{1323321523152} is an apocalyptic number.

1323321523152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323321523152 is an abundant number, since it is smaller than the sum of its proper divisors (2143408109808).

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

1323321523152 is a wasteful number, since it uses less digits than its factorization.

1323321523152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388298651 (or 388298645 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

Adding to 1323321523152 its reverse (2513251233231), we get a palindrome (3836572756383).

The spelling of 1323321523152 in words is "one trillion, three hundred twenty-three billion, three hundred twenty-one million, five hundred twenty-three thousand, one hundred fifty-two".