1323003823825 has 12 divisors (see below), whose sum is σ = 1641913876188. Its totient is φ = 1057506843200.

The previous prime is 1323003823807. The next prime is 1323003823829. The reversal of 1323003823825 is 5283283003231.

It can be written as a sum of positive squares in 6 ways, for example, as 26903544529 + 1296100279296 = 164023^2 + 1138464^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1323003823825 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323003823829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22375282 + ... + 22434331.

It is an arithmetic number, because the mean of its divisors is an integer number (136826156349).

Almost surely, 2^{1323003823825} is an apocalyptic number.

It is an amenable number.

1323003823825 is a deficient number, since it is larger than the sum of its proper divisors (318910052363).

1323003823825 is a wasteful number, since it uses less digits than its factorization.

1323003823825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44810804 (or 44810799 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 1323003823825 in words is "one trillion, three hundred twenty-three billion, three million, eight hundred twenty-three thousand, eight hundred twenty-five".