223121312203 has 8 divisors (see below), whose sum is σ = 228504109536. Its totient is φ = 217800744000.

The previous prime is 223121312189. The next prime is 223121312251. The reversal of 223121312203 is 302213121322.

223121312203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223121312203 - 2⁹ = 223121311691 is a prime.

It is a super-3 number, since 3×223121312203³ (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 (223121312803) 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 7 ways as a sum of consecutive naturals, for example, 15550026 + ... + 15564367.

It is an arithmetic number, because the mean of its divisors is an integer number (28563013692).

Almost surely, 2^223121312203 is an apocalyptic number.

223121312203 is a deficient number, since it is larger than the sum of its proper divisors (5382797333).

223121312203 is a wasteful number, since it uses less digits than its factorization.

223121312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31114565.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 223121312203 its reverse (302213121322), we get a palindrome (525334433525).

The spelling of 223121312203 in words is "two hundred twenty-three billion, one hundred twenty-one million, three hundred twelve thousand, two hundred three".