1323445420516 has 12 divisors (see below), whose sum is σ = 2316037793580. Its totient is φ = 661720336640.

The previous prime is 1323445420499. The next prime is 1323445420547. The reversal of 1323445420516 is 6150245443231.

It can be written as a sum of positive squares in 2 ways, for example, as 378766393600 + 944679026916 = 615440^2 + 971946^2 .

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 3 ways as a sum of consecutive naturals, for example, 1420656 + ... + 2159896.

It is an arithmetic number, because the mean of its divisors is an integer number (193003149465).

Almost surely, 2^{1323445420516} is an apocalyptic number.

It is an amenable number.

1323445420516 is a deficient number, since it is larger than the sum of its proper divisors (992592373064).

1323445420516 is a wasteful number, since it uses less digits than its factorization.

1323445420516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186814 (or 1186812 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 1323445420516 in words is "one trillion, three hundred twenty-three billion, four hundred forty-five million, four hundred twenty thousand, five hundred sixteen".