20223112303 has 4 divisors (see below), whose sum is σ = 20266417080. Its totient is φ = 20179807528.

The previous prime is 20223112253. The next prime is 20223112333. The reversal of 20223112303 is 30321132202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20223112303 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 (20223112333) 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, 21651688 + ... + 21652621.

It is an arithmetic number, because the mean of its divisors is an integer number (5066604270).

Almost surely, 2^20223112303 is an apocalyptic number.

20223112303 is a deficient number, since it is larger than the sum of its proper divisors (43304777).

20223112303 is an equidigital number, since it uses as much as digits as its factorization.

20223112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43304776.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20223112303 its reverse (30321132202), we get a palindrome (50544244505).

The spelling of 20223112303 in words is "twenty billion, two hundred twenty-three million, one hundred twelve thousand, three hundred three".