203133402243 has 24 divisors (see below), whose sum is σ = 308901504080. Its totient is φ = 128276628480.

The previous prime is 203133402229. The next prime is 203133402247. The reversal of 203133402243 is 342204331302.

203133402243 is a `hidden beast` number, since 2 + 0 + 3 + 13 + 3 + 402 + 243 = 666.

It is not a de Polignac number, because 203133402243 - 2⁵ = 203133402211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203133402247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1183863 + ... + 1344543.

Almost surely, 2^203133402243 is an apocalyptic number.

203133402243 is a deficient number, since it is larger than the sum of its proper divisors (105768101837).

203133402243 is a wasteful number, since it uses less digits than its factorization.

203133402243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168099 (or 168096 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 203133402243 its reverse (342204331302), we get a palindrome (545337733545).

The spelling of 203133402243 in words is "two hundred three billion, one hundred thirty-three million, four hundred two thousand, two hundred forty-three".