200123331 has 4 divisors (see below), whose sum is σ = 266831112. Its totient is φ = 133415552.

The previous prime is 200123317. The next prime is 200123377. The reversal of 200123331 is 133321002.

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 200123331 - 2¹⁴ = 200106947 is a prime.

It is a super-2 number, since 2×200123331² = 80098695221071122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200123331.

It is not an unprimeable number, because it can be changed into a prime (200123311) 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, 33353886 + ... + 33353891.

It is an arithmetic number, because the mean of its divisors is an integer number (66707778).

Almost surely, 2^200123331 is an apocalyptic number.

200123331 is a deficient number, since it is larger than the sum of its proper divisors (66707781).

200123331 is an equidigital number, since it uses as much as digits as its factorization.

200123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66707780.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 200123331 is about 14146.4953610426. The cubic root of 200123331 is about 584.9237302861.

Adding to 200123331 its reverse (133321002), we get a palindrome (333444333).

The spelling of 200123331 in words is "two hundred million, one hundred twenty-three thousand, three hundred thirty-one".