200412123 has 4 divisors (see below), whose sum is σ = 267216168. Its totient is φ = 133608080.

The previous prime is 200412077. The next prime is 200412131. The reversal of 200412123 is 321214002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200412123 - 2⁹ = 200411611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200412143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33402018 + ... + 33402023.

It is an arithmetic number, because the mean of its divisors is an integer number (66804042).

Almost surely, 2^200412123 is an apocalyptic number.

200412123 is a deficient number, since it is larger than the sum of its proper divisors (66804045).

200412123 is an equidigital number, since it uses as much as digits as its factorization.

200412123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66804044.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 200412123 is about 14156.6988736781. The cubic root of 200412123 is about 585.2049570394.

Adding to 200412123 its reverse (321214002), we get a palindrome (521626125).

The spelling of 200412123 in words is "two hundred million, four hundred twelve thousand, one hundred twenty-three".