203023213203 has 16 divisors (see below), whose sum is σ = 271783987200. Its totient is φ = 134805841344.

The previous prime is 203023213199. The next prime is 203023213213. The reversal of 203023213203 is 302312320302.

It is not a de Polignac number, because 203023213203 - 2² = 203023213199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203023213203.

It is not an unprimeable number, because it can be changed into a prime (203023213213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4135998 + ... + 4184796.

It is an arithmetic number, because the mean of its divisors is an integer number (16986499200).

Almost surely, 2^203023213203 is an apocalyptic number.

203023213203 is a deficient number, since it is larger than the sum of its proper divisors (68760773997).

203023213203 is a wasteful number, since it uses less digits than its factorization.

203023213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54338.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203023213203 its reverse (302312320302), we get a palindrome (505335533505).

The spelling of 203023213203 in words is "two hundred three billion, twenty-three million, two hundred thirteen thousand, two hundred three".