223221112403 has 4 divisors (see below), whose sum is σ = 223938865488. Its totient is φ = 222503359320.

The previous prime is 223221112393. The next prime is 223221112421. The reversal of 223221112403 is 304211122322.

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 223221112403 - 2¹² = 223221108307 is a prime.

It is a super-3 number, since 3×223221112403³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223221112453) 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, 358876076 + ... + 358876697.

It is an arithmetic number, because the mean of its divisors is an integer number (55984716372).

Almost surely, 2^223221112403 is an apocalyptic number.

223221112403 is a deficient number, since it is larger than the sum of its proper divisors (717753085).

223221112403 is an equidigital number, since it uses as much as digits as its factorization.

223221112403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717753084.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 223221112403 its reverse (304211122322), we get a palindrome (527432234725).

The spelling of 223221112403 in words is "two hundred twenty-three billion, two hundred twenty-one million, one hundred twelve thousand, four hundred three".