123101230203 has 24 divisors (see below), whose sum is σ = 210222136800. Its totient is φ = 67917919104.

The previous prime is 123101230171. The next prime is 123101230243. The reversal of 123101230203 is 302032101321.

123101230203 is a `hidden beast` number, since 1 + 231 + 0 + 1 + 230 + 203 = 666.

It is not a de Polignac number, because 123101230203 - 2⁵ = 123101230171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123101230243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33687618 + ... + 33691271.

It is an arithmetic number, because the mean of its divisors is an integer number (8759255700).

Almost surely, 2^123101230203 is an apocalyptic number.

123101230203 is a deficient number, since it is larger than the sum of its proper divisors (87120906597).

123101230203 is a wasteful number, since it uses less digits than its factorization.

123101230203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67378931 (or 67378928 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123101230203 its reverse (302032101321), we get a palindrome (425133331524).

The spelling of 123101230203 in words is "one hundred twenty-three billion, one hundred one million, two hundred thirty thousand, two hundred three".