200343123 has 12 divisors (see below), whose sum is σ = 297206208. Its totient is φ = 129952080.

The previous prime is 200343103. The next prime is 200343139. The reversal of 200343123 is 321343002.

200343123 is a `hidden beast` number, since 200 + 343 + 123 = 666.

It is not a de Polignac number, because 200343123 - 2²⁰ = 199294547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200343096 and 200343105.

It is not an unprimeable number, because it can be changed into a prime (200343103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300483 + ... + 301148.

It is an arithmetic number, because the mean of its divisors is an integer number (24767184).

Almost surely, 2^200343123 is an apocalyptic number.

200343123 is a deficient number, since it is larger than the sum of its proper divisors (96863085).

200343123 is a wasteful number, since it uses less digits than its factorization.

200343123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601674 (or 601671 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 200343123 is about 14154.2616550635. The cubic root of 200343123 is about 585.1377891516.

Adding to 200343123 its reverse (321343002), we get a palindrome (521686125).

The spelling of 200343123 in words is "two hundred million, three hundred forty-three thousand, one hundred twenty-three".