200201123 has 8 divisors (see below), whose sum is σ = 207900000. Its totient is φ = 192555328.

The previous prime is 200201107. The next prime is 200201137. The reversal of 200201123 is 321102002.

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 200201123 - 2⁴ = 200201107 is a prime.

It is a super-2 number, since 2×200201123² = 80160979300922258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200200123) 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, 5498 + ... + 20751.

It is an arithmetic number, because the mean of its divisors is an integer number (25987500).

Almost surely, 2^200201123 is an apocalyptic number.

200201123 is a deficient number, since it is larger than the sum of its proper divisors (7698877).

200201123 is a wasteful number, since it uses less digits than its factorization.

200201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26541.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 200201123 is about 14149.2446088122. The cubic root of 200201123 is about 584.9995110425. Note that the first 3 decimals are identical.

Adding to 200201123 its reverse (321102002), we get a palindrome (521303125).

The spelling of 200201123 in words is "two hundred million, two hundred one thousand, one hundred twenty-three".