1323232003021 has 2 divisors, whose sum is σ = 1323232003022. Its totient is φ = 1323232003020.

The previous prime is 1323232003019. The next prime is 1323232003117. The reversal of 1323232003021 is 1203002323231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737899898121 + 585332104900 = 859011^2 + 765070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323232003021 - 2¹ = 1323232003019 is a prime.

Together with 1323232003019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1323232002983 and 1323232003001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323232003421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661616001510 + 661616001511.

It is an arithmetic number, because the mean of its divisors is an integer number (661616001511).

Almost surely, 2^{1323232003021} is an apocalyptic number.

It is an amenable number.

1323232003021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323232003021 is an equidigital number, since it uses as much as digits as its factorization.

1323232003021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1323232003021 its reverse (1203002323231), we get a palindrome (2526234326252).

The spelling of 1323232003021 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-two million, three thousand, twenty-one".