21023303000999 has 8 divisors (see below), whose sum is σ = 22959360158112. Its totient is φ = 19132800130080.

The previous prime is 21023303000969. The next prime is 21023303001007. The reversal of 21023303000999 is 99900030332012.

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

It is not a de Polignac number, because 21023303000999 - 2¹² = 21023302996903 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 (21023303000969) 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, 11388570584 + ... + 11388572429.

It is an arithmetic number, because the mean of its divisors is an integer number (2869920019764).

Almost surely, 2^{21023303000999} is an apocalyptic number.

21023303000999 is a deficient number, since it is larger than the sum of its proper divisors (1936057157113).

21023303000999 is a wasteful number, since it uses less digits than its factorization.

21023303000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22777143097.

The product of its (nonzero) digits is 78732, while the sum is 41.

The spelling of 21023303000999 in words is "twenty-one trillion, twenty-three billion, three hundred three million, nine hundred ninety-nine", and thus it is an aban number.