23221020231303 has 4 divisors (see below), whose sum is σ = 30961360308408. Its totient is φ = 15480680154200.

The previous prime is 23221020231293. The next prime is 23221020231323. The reversal of 23221020231303 is 30313202012232.

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 23221020231303 - 2⁸ = 23221020231047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221020231323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3870170038548 + ... + 3870170038553.

It is an arithmetic number, because the mean of its divisors is an integer number (7740340077102).

Almost surely, 2^{23221020231303} is an apocalyptic number.

23221020231303 is a deficient number, since it is larger than the sum of its proper divisors (7740340077105).

23221020231303 is an equidigital number, since it uses as much as digits as its factorization.

23221020231303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740340077104.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23221020231303 its reverse (30313202012232), we get a palindrome (53534222243535).

The spelling of 23221020231303 in words is "twenty-three trillion, two hundred twenty-one billion, twenty million, two hundred thirty-one thousand, three hundred three".