1320510200323 has 16 divisors (see below), whose sum is σ = 1350864760320. Its totient is φ = 1290251552800.

The previous prime is 1320510200309. The next prime is 1320510200329. The reversal of 1320510200323 is 3230020150231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320510200323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320510200294 and 1320510200303.

It is not an unprimeable number, because it can be changed into a prime (1320510200329) 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, 77985168 + ... + 78002098.

It is an arithmetic number, because the mean of its divisors is an integer number (84429047520).

Almost surely, 2^{1320510200323} is an apocalyptic number.

1320510200323 is a deficient number, since it is larger than the sum of its proper divisors (30354559997).

1320510200323 is a wasteful number, since it uses less digits than its factorization.

1320510200323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19658.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 1320510200323 its reverse (3230020150231), we get a palindrome (4550530350554).

The spelling of 1320510200323 in words is "one trillion, three hundred twenty billion, five hundred ten million, two hundred thousand, three hundred twenty-three".