200354340123 has 24 divisors (see below), whose sum is σ = 350199184608. Its totient is φ = 107753594112.

The previous prime is 200354340103. The next prime is 200354340203. The reversal of 200354340123 is 321043453002.

200354340123 is a `hidden beast` number, since 200 + 3 + 5 + 434 + 0 + 1 + 23 = 666.

200354340123 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 200354340123 - 2⁶ = 200354340059 is a prime.

It is a super-2 number, since 2×200354340123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200354340103) 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 23 ways as a sum of consecutive naturals, for example, 93535036 + ... + 93537177.

It is an arithmetic number, because the mean of its divisors is an integer number (14591632692).

Almost surely, 2^200354340123 is an apocalyptic number.

200354340123 is a deficient number, since it is larger than the sum of its proper divisors (149844844485).

200354340123 is a wasteful number, since it uses less digits than its factorization.

200354340123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187072243 (or 187072240 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 200354340123 its reverse (321043453002), we get a palindrome (521397793125).

The spelling of 200354340123 in words is "two hundred billion, three hundred fifty-four million, three hundred forty thousand, one hundred twenty-three".