1323131984497 has 16 divisors (see below), whose sum is σ = 1388751420672. Its totient is φ = 1259279498880.

The previous prime is 1323131984399. The next prime is 1323131984509. The reversal of 1323131984497 is 7944891313231.

It is a cyclic number.

It is not a de Polignac number, because 1323131984497 - 2¹¹ = 1323131982449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323131924497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526698 + ... + 1709875.

It is an arithmetic number, because the mean of its divisors is an integer number (86796963792).

Almost surely, 2^{1323131984497} is an apocalyptic number.

It is an amenable number.

1323131984497 is a deficient number, since it is larger than the sum of its proper divisors (65619436175).

1323131984497 is a wasteful number, since it uses less digits than its factorization.

1323131984497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236968.

The product of its digits is 3919104, while the sum is 55.

The spelling of 1323131984497 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, nine hundred eighty-four thousand, four hundred ninety-seven".