1323232003421 has 2 divisors, whose sum is σ = 1323232003422. Its totient is φ = 1323232003420.

The previous prime is 1323232003367. The next prime is 1323232003453. The reversal of 1323232003421 is 1243002323231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 668896615321 + 654335388100 = 817861^2 + 808910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323232003421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323232003021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661616001710 + 661616001711.

It is an arithmetic number, because the mean of its divisors is an integer number (661616001711).

Almost surely, 2^{1323232003421} is an apocalyptic number.

It is an amenable number.

1323232003421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323232003421 is an equidigital number, since it uses as much as digits as its factorization.

1323232003421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1323232003421 its reverse (1243002323231), we get a palindrome (2566234326652).

The spelling of 1323232003421 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-two million, three thousand, four hundred twenty-one".