1323025266523 has 4 divisors (see below), whose sum is σ = 1342771912360. Its totient is φ = 1303278620688.

The previous prime is 1323025266473. The next prime is 1323025266527. The reversal of 1323025266523 is 3256625203231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323025266523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323025266527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9873322818 + ... + 9873322951.

It is an arithmetic number, because the mean of its divisors is an integer number (335692978090).

Almost surely, 2^{1323025266523} is an apocalyptic number.

1323025266523 is a deficient number, since it is larger than the sum of its proper divisors (19746645837).

1323025266523 is an equidigital number, since it uses as much as digits as its factorization.

1323025266523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746645836.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 1323025266523 in words is "one trillion, three hundred twenty-three billion, twenty-five million, two hundred sixty-six thousand, five hundred twenty-three".