23221031303 has 4 divisors (see below), whose sum is σ = 23224836048. Its totient is φ = 23217226560.

The previous prime is 23221031299. The next prime is 23221031329. The reversal of 23221031303 is 30313012232.

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 23221031303 - 2² = 23221031299 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 (23221031333) 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, 1893203 + ... + 1905428.

It is an arithmetic number, because the mean of its divisors is an integer number (5806209012).

Almost surely, 2^23221031303 is an apocalyptic number.

23221031303 is a deficient number, since it is larger than the sum of its proper divisors (3804745).

23221031303 is an equidigital number, since it uses as much as digits as its factorization.

23221031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804744.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23221031303 its reverse (30313012232), we get a palindrome (53534043535).

The spelling of 23221031303 in words is "twenty-three billion, two hundred twenty-one million, thirty-one thousand, three hundred three".