21010310032223 has 8 divisors (see below), whose sum is σ = 21735557485200. Its totient is φ = 20285112846208.

The previous prime is 21010310032189. The next prime is 21010310032253. The reversal of 21010310032223 is 32223001301012.

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 21010310032223 - 2²⁶ = 21010242923359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21010310032195 and 21010310032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010310032253) 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, 11715386 + ... + 13389207.

It is an arithmetic number, because the mean of its divisors is an integer number (2716944685650).

Almost surely, 2^{21010310032223} is an apocalyptic number.

21010310032223 is a deficient number, since it is larger than the sum of its proper divisors (725247452977).

21010310032223 is a wasteful number, since it uses less digits than its factorization.

21010310032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25133481.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21010310032223 its reverse (32223001301012), we get a palindrome (53233311333235).

The spelling of 21010310032223 in words is "twenty-one trillion, ten billion, three hundred ten million, thirty-two thousand, two hundred twenty-three".