203212440223 has 8 divisors (see below), whose sum is σ = 218918316848. Its totient is φ = 187517156544.

The previous prime is 203212440203. The next prime is 203212440241. The reversal of 203212440223 is 322044212302.

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 203212440223 - 2⁹ = 203212439711 is a prime.

It is a super-2 number, since 2×203212440223² (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 (203212440203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2608365 + ... + 2685142.

It is an arithmetic number, because the mean of its divisors is an integer number (27364789606).

Almost surely, 2^203212440223 is an apocalyptic number.

203212440223 is a deficient number, since it is larger than the sum of its proper divisors (15705876625).

203212440223 is a wasteful number, since it uses less digits than its factorization.

203212440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5296473.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203212440223 its reverse (322044212302), we get a palindrome (525256652525).

The spelling of 203212440223 in words is "two hundred three billion, two hundred twelve million, four hundred forty thousand, two hundred twenty-three".