223020003 has 4 divisors (see below), whose sum is σ = 297360008. Its totient is φ = 148680000.

The previous prime is 223019999. The next prime is 223020011. The reversal of 223020003 is 300020322.

223020003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 223020003 - 2² = 223019999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223020013) 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, 37169998 + ... + 37170003.

It is an arithmetic number, because the mean of its divisors is an integer number (74340002).

Almost surely, 2^223020003 is an apocalyptic number.

223020003 is a deficient number, since it is larger than the sum of its proper divisors (74340005).

223020003 is an equidigital number, since it uses as much as digits as its factorization.

223020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74340004.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 223020003 is about 14933.8542580273. The cubic root of 223020003 is about 606.4308305577.

Adding to 223020003 its reverse (300020322), we get a palindrome (523040325).

The spelling of 223020003 in words is "two hundred twenty-three million, twenty thousand, three".