223125503 has 4 divisors (see below), whose sum is σ = 229155960. Its totient is φ = 217095048.

The previous prime is 223125491. The next prime is 223125509. The reversal of 223125503 is 305521322.

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

It is a cyclic number.

It is not a de Polignac number, because 223125503 - 2¹⁰ = 223124479 is a prime.

It is a super-3 number, since 3×223125503³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223125509) 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, 3015173 + ... + 3015246.

It is an arithmetic number, because the mean of its divisors is an integer number (57288990).

Almost surely, 2^223125503 is an apocalyptic number.

223125503 is a deficient number, since it is larger than the sum of its proper divisors (6030457).

223125503 is an equidigital number, since it uses as much as digits as its factorization.

223125503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6030456.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 223125503 is about 14937.3860832476. The cubic root of 223125503 is about 606.5264398693.

Adding to 223125503 its reverse (305521322), we get a palindrome (528646825).

The spelling of 223125503 in words is "two hundred twenty-three million, one hundred twenty-five thousand, five hundred three".