203123144130 has 32 divisors (see below), whose sum is σ = 487640832768. Its totient is φ = 54150028800.

The previous prime is 203123144113. The next prime is 203123144137. The reversal of 203123144130 is 31441321302.

It is a happy number.

203123144130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 203123144130.

It is not an unprimeable number, because it can be changed into a prime (203123144137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906426 + ... + 1108085.

It is an arithmetic number, because the mean of its divisors is an integer number (15238776024).

Almost surely, 2^203123144130 is an apocalyptic number.

203123144130 is an abundant number, since it is smaller than the sum of its proper divisors (284517688638).

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

203123144130 is a wasteful number, since it uses less digits than its factorization.

203123144130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017882.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 203123144130 its reverse (31441321302), we get a palindrome (234564465432).

The spelling of 203123144130 in words is "two hundred three billion, one hundred twenty-three million, one hundred forty-four thousand, one hundred thirty".