200020200123 has 8 divisors (see below), whose sum is σ = 272895777088. Its totient is φ = 130245711624.

The previous prime is 200020200109. The next prime is 200020200139. The reversal of 200020200123 is 321002020002.

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

It is not a de Polignac number, because 200020200123 - 2⁶ = 200020200059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200020200099 and 200020200108.

It is not an unprimeable number, because it can be changed into a prime (200020200103) 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 7 ways as a sum of consecutive naturals, for example, 775271965 + ... + 775272222.

It is an arithmetic number, because the mean of its divisors is an integer number (34111972136).

Almost surely, 2^200020200123 is an apocalyptic number.

200020200123 is a deficient number, since it is larger than the sum of its proper divisors (72875576965).

200020200123 is a wasteful number, since it uses less digits than its factorization.

200020200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550544233.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 200020200123 its reverse (321002020002), we get a palindrome (521022220125).

The spelling of 200020200123 in words is "two hundred billion, twenty million, two hundred thousand, one hundred twenty-three".