1323223311232 has 16 divisors (see below), whose sum is σ = 2636108940600. Its totient is φ = 661611655552.

The previous prime is 1323223311167. The next prime is 1323223311283. The reversal of 1323223311232 is 2321133223231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 1323223311232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5168840932 + ... + 5168841187.

Almost surely, 2^{1323223311232} is an apocalyptic number.

It is an amenable number.

1323223311232 is a deficient number, since it is larger than the sum of its proper divisors (1312885629368).

1323223311232 is an equidigital number, since it uses as much as digits as its factorization.

1323223311232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337682133 (or 10337682121 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

Adding to 1323223311232 its reverse (2321133223231), we get a palindrome (3644356534463).

The spelling of 1323223311232 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-three million, three hundred eleven thousand, two hundred thirty-two".