21232332102223 has 8 divisors (see below), whose sum is σ = 23391876232656. Its totient is φ = 19111009992000.

The previous prime is 21232332102143. The next prime is 21232332102257. The reversal of 21232332102223 is 32220123323212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21232332102223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21232332102191 and 21232332102200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232332102323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9555503886 + ... + 9555506107.

It is an arithmetic number, because the mean of its divisors is an integer number (2923984529082).

Almost surely, 2^{21232332102223} is an apocalyptic number.

21232332102223 is a deficient number, since it is larger than the sum of its proper divisors (2159544130433).

21232332102223 is a wasteful number, since it uses less digits than its factorization.

21232332102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19111010105.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 21232332102223 its reverse (32220123323212), we get a palindrome (53452455425435).

The spelling of 21232332102223 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty-two million, one hundred two thousand, two hundred twenty-three".