203123003030 has 32 divisors (see below), whose sum is σ = 386328096000. Its totient is φ = 76680235872.

The previous prime is 203123002993. The next prime is 203123003033. The reversal of 203123003030 is 30300321302.

203123003030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203123003033) 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, 1982480 + ... + 2082419.

It is an arithmetic number, because the mean of its divisors is an integer number (12072753000).

Almost surely, 2^203123003030 is an apocalyptic number.

203123003030 is a deficient number, since it is larger than the sum of its proper divisors (183205092970).

203123003030 is a wasteful number, since it uses less digits than its factorization.

203123003030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065188.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 203123003030 its reverse (30300321302), we get a palindrome (233423324332).

The spelling of 203123003030 in words is "two hundred three billion, one hundred twenty-three million, three thousand, thirty".