1323254235321 has 40 divisors (see below), whose sum is σ = 1981310422784. Its totient is φ = 880119833760.

The previous prime is 1323254235227. The next prime is 1323254235323. The reversal of 1323254235321 is 1235324523231.

1323254235321 is a `hidden beast` number, since 1 + 3 + 2 + 325 + 4 + 2 + 3 + 5 + 321 = 666.

It is not a de Polignac number, because 1323254235321 - 2¹⁸ = 1323253973177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1323254235323) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 79691406 + ... + 79708008.

Almost surely, 2^{1323254235321} is an apocalyptic number.

It is an amenable number.

1323254235321 is a deficient number, since it is larger than the sum of its proper divisors (658056187463).

1323254235321 is a wasteful number, since it uses less digits than its factorization.

1323254235321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18843 (or 18834 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 1323254235321 its reverse (1235324523231), we get a palindrome (2558578758552).

The spelling of 1323254235321 in words is "one trillion, three hundred twenty-three billion, two hundred fifty-four million, two hundred thirty-five thousand, three hundred twenty-one".