200123031204 has 108 divisors (see below), whose sum is σ = 565657201200. Its totient is φ = 59479232256.

The previous prime is 200123031193. The next prime is 200123031209. The reversal of 200123031204 is 402130321002.

200123031204 is a `hidden beast` number, since 200 + 1 + 230 + 31 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200123031209) 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 35 ways as a sum of consecutive naturals, for example, 308514 + ... + 703865.

Almost surely, 2^200123031204 is an apocalyptic number.

It is an amenable number.

200123031204 is an abundant number, since it is smaller than the sum of its proper divisors (365534169996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200123031204 is a wasteful number, since it uses less digits than its factorization.

200123031204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012442 (or 1012420 counting only the distinct ones).

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

Adding to 200123031204 its reverse (402130321002), we get a palindrome (602253352206).

The spelling of 200123031204 in words is "two hundred billion, one hundred twenty-three million, thirty-one thousand, two hundred four".