200123310210 has 64 divisors (see below), whose sum is σ = 491928750720. Its totient is φ = 52076021760.

The previous prime is 200123310203. The next prime is 200123310269. The reversal of 200123310210 is 12013321002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200123310210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1306450 + ... + 1451570.

It is an arithmetic number, because the mean of its divisors is an integer number (7686386730).

Almost surely, 2^200123310210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200123310210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245964375360).

200123310210 is an abundant number, since it is smaller than the sum of its proper divisors (291805440510).

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

200123310210 is a wasteful number, since it uses less digits than its factorization.

200123310210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146243.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200123310210 its reverse (12013321002), we get a palindrome (212136631212).

The spelling of 200123310210 in words is "two hundred billion, one hundred twenty-three million, three hundred ten thousand, two hundred ten".