200112123 has 16 divisors (see below), whose sum is σ = 281376000. Its totient is φ = 126154080.

The previous prime is 200112109. The next prime is 200112127. The reversal of 200112123 is 321211002.

It is not a de Polignac number, because 200112123 - 2¹⁷ = 199981051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200112099 and 200112108.

It is not an unprimeable number, because it can be changed into a prime (200112127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31213 + ... + 37073.

It is an arithmetic number, because the mean of its divisors is an integer number (17586000).

Almost surely, 2^200112123 is an apocalyptic number.

200112123 is a deficient number, since it is larger than the sum of its proper divisors (81263877).

200112123 is a wasteful number, since it uses less digits than its factorization.

200112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 200112123 is about 14146.0992149780. The cubic root of 200112123 is about 584.9128104406.

Adding to 200112123 its reverse (321211002), we get a palindrome (521323125).

The spelling of 200112123 in words is "two hundred million, one hundred twelve thousand, one hundred twenty-three".