1323031301232 has 160 divisors (see below), whose sum is σ = 3748387706880. Its totient is φ = 400930145280.

The previous prime is 1323031301177. The next prime is 1323031301257. The reversal of 1323031301232 is 2321031303231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1182303 + ... + 2010945.

It is an arithmetic number, because the mean of its divisors is an integer number (23427423168).

Almost surely, 2^{1323031301232} is an apocalyptic number.

1323031301232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323031301232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874193853440).

1323031301232 is an abundant number, since it is smaller than the sum of its proper divisors (2425356405648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323031301232 is a wasteful number, since it uses less digits than its factorization.

1323031301232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828751 (or 828745 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1323031301232 its reverse (2321031303231), we get a palindrome (3644062604463).

The spelling of 1323031301232 in words is "one trillion, three hundred twenty-three billion, thirty-one million, three hundred one thousand, two hundred thirty-two".