203212142343 has 48 divisors (see below), whose sum is σ = 338638749696. Its totient is φ = 115024250880.

The previous prime is 203212142323. The next prime is 203212142377. The reversal of 203212142343 is 343241212302.

203212142343 is a `hidden beast` number, since 20 + 3 + 212 + 1 + 423 + 4 + 3 = 666.

203212142343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203212142343 - 2⁹ = 203212141831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203212142323) 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 47 ways as a sum of consecutive naturals, for example, 5108830 + ... + 5148452.

It is an arithmetic number, because the mean of its divisors is an integer number (7054973952).

Almost surely, 2^203212142343 is an apocalyptic number.

203212142343 is a deficient number, since it is larger than the sum of its proper divisors (135426607353).

203212142343 is a wasteful number, since it uses less digits than its factorization.

203212142343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40404 (or 40401 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 203212142343 its reverse (343241212302), we get a palindrome (546453354645).

The spelling of 203212142343 in words is "two hundred three billion, two hundred twelve million, one hundred forty-two thousand, three hundred forty-three".