1323230042240 has 64 divisors (see below), whose sum is σ = 3236913092160. Its totient is φ = 516982889472.

The previous prime is 1323230042209. The next prime is 1323230042269. The reversal of 1323230042240 is 422400323231.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24013724 + ... + 24068763.

It is an arithmetic number, because the mean of its divisors is an integer number (50576767065).

Almost surely, 2^{1323230042240} is an apocalyptic number.

1323230042240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323230042240 is an abundant number, since it is smaller than the sum of its proper divisors (1913683049920).

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

1323230042240 is an equidigital number, since it uses as much as digits as its factorization.

1323230042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48082549 (or 48082537 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 1323230042240 its reverse (422400323231), we get a palindrome (1745630365471).

The spelling of 1323230042240 in words is "one trillion, three hundred twenty-three billion, two hundred thirty million, forty-two thousand, two hundred forty".