1323240013500 has 96 divisors (see below), whose sum is σ = 4020808716288. Its totient is φ = 337522081600.

The previous prime is 1323240013441. The next prime is 1323240013517. The reversal of 1323240013500 is 53100423231.

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 31 ways as a sum of consecutive naturals, for example, 19142892 + ... + 19211891.

It is an arithmetic number, because the mean of its divisors is an integer number (41883424128).

Almost surely, 2^{1323240013500} is an apocalyptic number.

1323240013500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323240013500 is an abundant number, since it is smaller than the sum of its proper divisors (2697568702788).

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

1323240013500 is a wasteful number, since it uses less digits than its factorization.

1323240013500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38354828 (or 38354816 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 1323240013500 its reverse (53100423231), we get a palindrome (1376340436731).

The spelling of 1323240013500 in words is "one trillion, three hundred twenty-three billion, two hundred forty million, thirteen thousand, five hundred".