223345003 has 4 divisors (see below), whose sum is σ = 255251440. Its totient is φ = 191438568.

The previous prime is 223344991. The next prime is 223345009. The reversal of 223345003 is 300543322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300543322 = 2 ⋅150271661.

It is a cyclic number.

It is not a de Polignac number, because 223345003 - 2²⁵ = 189790571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223345009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15953208 + ... + 15953221.

It is an arithmetic number, because the mean of its divisors is an integer number (63812860).

Almost surely, 2^223345003 is an apocalyptic number.

223345003 is a deficient number, since it is larger than the sum of its proper divisors (31906437).

223345003 is an equidigital number, since it uses as much as digits as its factorization.

223345003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31906436.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 223345003 is about 14944.7316135152. The cubic root of 223345003 is about 606.7252650733.

Adding to 223345003 its reverse (300543322), we get a palindrome (523888325).

The spelling of 223345003 in words is "two hundred twenty-three million, three hundred forty-five thousand, three".