223444103 has 4 divisors (see below), whose sum is σ = 233159088. Its totient is φ = 213729120.

The previous prime is 223444097. The next prime is 223444121. The reversal of 223444103 is 301444322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301444322 = 2 ⋅150722161.

It is a cyclic number.

It is not a de Polignac number, because 223444103 - 2¹⁰ = 223443079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 9714961 = 223444103 / (2 + 2 + 3 + 4 + 4 + 4 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444303) 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, 4857458 + ... + 4857503.

It is an arithmetic number, because the mean of its divisors is an integer number (58289772).

Almost surely, 2^223444103 is an apocalyptic number.

223444103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

223444103 is a deficient number, since it is larger than the sum of its proper divisors (9714985).

223444103 is an equidigital number, since it uses as much as digits as its factorization.

223444103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714984.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 223444103 is about 14948.0467954847. The cubic root of 223444103 is about 606.8149881210.

Adding to 223444103 its reverse (301444322), we get a palindrome (524888425).

The spelling of 223444103 in words is "two hundred twenty-three million, four hundred forty-four thousand, one hundred three".