20223123203 has 4 divisors (see below), whose sum is σ = 20875482048. Its totient is φ = 19570764360.

The previous prime is 20223123197. The next prime is 20223123209. The reversal of 20223123203 is 30232132202.

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

It is an interprime number because it is at equal distance from previous prime (20223123197) and next prime (20223123209).

It is a cyclic number.

It is not a de Polignac number, because 20223123203 - 2³² = 15928155907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223123209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326179376 + ... + 326179437.

It is an arithmetic number, because the mean of its divisors is an integer number (5218870512).

Almost surely, 2^20223123203 is an apocalyptic number.

20223123203 is a deficient number, since it is larger than the sum of its proper divisors (652358845).

20223123203 is an equidigital number, since it uses as much as digits as its factorization.

20223123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652358844.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20223123203 its reverse (30232132202), we get a palindrome (50455255405).

The spelling of 20223123203 in words is "twenty billion, two hundred twenty-three million, one hundred twenty-three thousand, two hundred three".