1323120043213 has 8 divisors (see below), whose sum is σ = 1326335601920. Its totient is φ = 1319904830160.

The previous prime is 1323120043211. The next prime is 1323120043283. The reversal of 1323120043213 is 3123400213231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323120043213 - 2¹ = 1323120043211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323120043211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8646856 + ... + 8798542.

It is an arithmetic number, because the mean of its divisors is an integer number (165791950240).

Almost surely, 2^{1323120043213} is an apocalyptic number.

It is an amenable number.

1323120043213 is a deficient number, since it is larger than the sum of its proper divisors (3215558707).

1323120043213 is a wasteful number, since it uses less digits than its factorization.

1323120043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172827.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1323120043213 its reverse (3123400213231), we get a palindrome (4446520256444).

The spelling of 1323120043213 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, forty-three thousand, two hundred thirteen".