200432123 has 2 divisors, whose sum is σ = 200432124. Its totient is φ = 200432122.

The previous prime is 200432117. The next prime is 200432131. The reversal of 200432123 is 321234002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200432123 - 2⁴ = 200432107 is a prime.

It is not a weakly prime, because it can be changed into another prime (200431123) 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 as a sum of consecutive naturals, namely, 100216061 + 100216062.

It is an arithmetic number, because the mean of its divisors is an integer number (100216062).

Almost surely, 2^200432123 is an apocalyptic number.

200432123 is a deficient number, since it is larger than the sum of its proper divisors (1).

200432123 is an equidigital number, since it uses as much as digits as its factorization.

200432123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 200432123 is about 14157.4052354236. The cubic root of 200432123 is about 585.2244231104.

Adding to 200432123 its reverse (321234002), we get a palindrome (521666125).

The spelling of 200432123 in words is "two hundred million, four hundred thirty-two thousand, one hundred twenty-three".