21232010332303 has 2 divisors, whose sum is σ = 21232010332304. Its totient is φ = 21232010332302.

The previous prime is 21232010332279. The next prime is 21232010332319. The reversal of 21232010332303 is 30323301023212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21232010332303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21232010332343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616005166151 + 10616005166152.

It is an arithmetic number, because the mean of its divisors is an integer number (10616005166152).

Almost surely, 2^{21232010332303} is an apocalyptic number.

21232010332303 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232010332303 is an equidigital number, since it uses as much as digits as its factorization.

21232010332303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21232010332303 its reverse (30323301023212), we get a palindrome (51555311355515).

The spelling of 21232010332303 in words is "twenty-one trillion, two hundred thirty-two billion, ten million, three hundred thirty-two thousand, three hundred three".