200120223123 has 12 divisors (see below), whose sum is σ = 296875046208. Its totient is φ = 129807712080.

The previous prime is 200120223119. The next prime is 200120223133. The reversal of 200120223123 is 321322021002.

200120223123 is a `hidden beast` number, since 200 + 120 + 223 + 123 = 666.

It is not a de Polignac number, because 200120223123 - 2² = 200120223119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200120223096 and 200120223105.

It is not an unprimeable number, because it can be changed into a prime (200120223133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300480483 + ... + 300481148.

It is an arithmetic number, because the mean of its divisors is an integer number (24739587184).

Almost surely, 2^200120223123 is an apocalyptic number.

200120223123 is a deficient number, since it is larger than the sum of its proper divisors (96754823085).

200120223123 is a wasteful number, since it uses less digits than its factorization.

200120223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600961674 (or 600961671 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 200120223123 its reverse (321322021002), we get a palindrome (521442244125).

The spelling of 200120223123 in words is "two hundred billion, one hundred twenty million, two hundred twenty-three thousand, one hundred twenty-three".