21323000101203 has 8 divisors (see below), whose sum is σ = 31589629779600. Its totient is φ = 14215333400784.

The previous prime is 21323000101189. The next prime is 21323000101303. The reversal of 21323000101203 is 30210100032312.

It is not a de Polignac number, because 21323000101203 - 2⁹ = 21323000100691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21323000101103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394870372218 + ... + 394870372271.

It is an arithmetic number, because the mean of its divisors is an integer number (3948703722450).

Almost surely, 2^{21323000101203} is an apocalyptic number.

21323000101203 is a deficient number, since it is larger than the sum of its proper divisors (10266629678397).

21323000101203 is an equidigital number, since it uses as much as digits as its factorization.

21323000101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789740744498 (or 789740744492 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21323000101203 its reverse (30210100032312), we get a palindrome (51533100133515).

The spelling of 21323000101203 in words is "twenty-one trillion, three hundred twenty-three billion, one hundred one thousand, two hundred three".