403232023321 has 2 divisors, whose sum is σ = 403232023322. Its totient is φ = 403232023320.

The previous prime is 403232023319. The next prime is 403232023351. The reversal of 403232023321 is 123320232304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375321643225 + 27910380096 = 612635^2 + 167064^2 .

It is a cyclic number.

It is not a de Polignac number, because 403232023321 - 2¹ = 403232023319 is a prime.

Together with 403232023319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (403232023351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201616011660 + 201616011661.

It is an arithmetic number, because the mean of its divisors is an integer number (201616011661).

Almost surely, 2^403232023321 is an apocalyptic number.

It is an amenable number.

403232023321 is a deficient number, since it is larger than the sum of its proper divisors (1).

403232023321 is an equidigital number, since it uses as much as digits as its factorization.

403232023321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 403232023321 its reverse (123320232304), we get a palindrome (526552255625).

The spelling of 403232023321 in words is "four hundred three billion, two hundred thirty-two million, twenty-three thousand, three hundred twenty-one".