23021221100303 has 4 divisors (see below), whose sum is σ = 23029267667688. Its totient is φ = 23013174532920.

The previous prime is 23021221100249. The next prime is 23021221100321. The reversal of 23021221100303 is 30300112212032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23021221100303 - 2⁶ = 23021221100239 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 (23021221102303) 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 3 ways as a sum of consecutive naturals, for example, 4023279401 + ... + 4023285122.

It is an arithmetic number, because the mean of its divisors is an integer number (5757316916922).

Almost surely, 2^{23021221100303} is an apocalyptic number.

23021221100303 is a deficient number, since it is larger than the sum of its proper divisors (8046567385).

23021221100303 is an equidigital number, since it uses as much as digits as its factorization.

23021221100303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8046567384.

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

Adding to 23021221100303 its reverse (30300112212032), we get a palindrome (53321333312335).

The spelling of 23021221100303 in words is "twenty-three trillion, twenty-one billion, two hundred twenty-one million, one hundred thousand, three hundred three".