200312123 has 8 divisors (see below), whose sum is σ = 218625456. Its totient is φ = 182016000.

The previous prime is 200312107. The next prime is 200312131. The reversal of 200312123 is 321213002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200312123 - 2⁴ = 200312107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200312098 and 200312107.

It is not an unprimeable number, because it can be changed into a prime (200312323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39323 + ... + 44123.

It is an arithmetic number, because the mean of its divisors is an integer number (27328182).

Almost surely, 2^200312123 is an apocalyptic number.

200312123 is a deficient number, since it is larger than the sum of its proper divisors (18313333).

200312123 is a wasteful number, since it uses less digits than its factorization.

200312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 200312123 is about 14153.1665361501. The cubic root of 200312123 is about 585.1076072536.

Adding to 200312123 its reverse (321213002), we get a palindrome (521525125).

The spelling of 200312123 in words is "two hundred million, three hundred twelve thousand, one hundred twenty-three".