21232132132223 has 8 divisors (see below), whose sum is σ = 21806285520480. Its totient is φ = 20657995164000.

The previous prime is 21232132132177. The next prime is 21232132132243. The reversal of 21232132132223 is 32223123123212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21232132132223 - 2²² = 21232127937919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232132132243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461203 + ... + 6678276.

It is an arithmetic number, because the mean of its divisors is an integer number (2725785690060).

Almost surely, 2^{21232132132223} is an apocalyptic number.

21232132132223 is a deficient number, since it is larger than the sum of its proper divisors (574153388257).

21232132132223 is an equidigital number, since it uses as much as digits as its factorization.

21232132132223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210017.

The product of its digits is 10368, while the sum is 29.

Adding to 21232132132223 its reverse (32223123123212), we get a palindrome (53455255255435).

The spelling of 21232132132223 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred thirty-two million, one hundred thirty-two thousand, two hundred twenty-three".