1323221340524 has 6 divisors (see below), whose sum is σ = 2315637345924. Its totient is φ = 661610670260.

The previous prime is 1323221340517. The next prime is 1323221340587. The reversal of 1323221340524 is 4250431223231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165402667562 + ... + 165402667569.

It is an arithmetic number, because the mean of its divisors is an integer number (385939557654).

Almost surely, 2^{1323221340524} is an apocalyptic number.

It is an amenable number.

1323221340524 is a deficient number, since it is larger than the sum of its proper divisors (992416005400).

1323221340524 is a wasteful number, since it uses less digits than its factorization.

1323221340524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330805335135 (or 330805335133 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 1323221340524 its reverse (4250431223231), we get a palindrome (5573652563755).

The spelling of 1323221340524 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-one million, three hundred forty thousand, five hundred twenty-four".