1323003332231 has 4 divisors (see below), whose sum is σ = 1512003808272. Its totient is φ = 1134002856192.

The previous prime is 1323003332221. The next prime is 1323003332311. The reversal of 1323003332231 is 1322333003231.

It is a happy number.

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-1323003332231 is a prime.

It is a super-2 number, since 2×1323003332231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323003332231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323003332221) 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, 94500238010 + ... + 94500238023.

It is an arithmetic number, because the mean of its divisors is an integer number (378000952068).

Almost surely, 2^{1323003332231} is an apocalyptic number.

1323003332231 is a deficient number, since it is larger than the sum of its proper divisors (189000476041).

1323003332231 is an equidigital number, since it uses as much as digits as its factorization.

1323003332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189000476040.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1323003332231 its reverse (1322333003231), we get a palindrome (2645336335462).

The spelling of 1323003332231 in words is "one trillion, three hundred twenty-three billion, three million, three hundred thirty-two thousand, two hundred thirty-one".