203303212223 has 4 divisors (see below), whose sum is σ = 205102355808. Its totient is φ = 201504068640.

The previous prime is 203303212199. The next prime is 203303212249. The reversal of 203303212223 is 322212303302.

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 203303212223 - 2⁸ = 203303211967 is a prime.

It is a super-2 number, since 2×203303212223² (a number of 23 digits) contains 22 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 (203303262223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899571623 + ... + 899571848.

It is an arithmetic number, because the mean of its divisors is an integer number (51275588952).

Almost surely, 2^203303212223 is an apocalyptic number.

203303212223 is a deficient number, since it is larger than the sum of its proper divisors (1799143585).

203303212223 is a wasteful number, since it uses less digits than its factorization.

203303212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799143584.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 203303212223 its reverse (322212303302), we get a palindrome (525515515525).

The spelling of 203303212223 in words is "two hundred three billion, three hundred three million, two hundred twelve thousand, two hundred twenty-three".