203430120600 has 96 divisors (see below), whose sum is σ = 720723870720. Its totient is φ = 46498312320.

The previous prime is 203430120583. The next prime is 203430120601. The reversal of 203430120600 is 6021034302.

It is a happy number.

203430120600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203430120601) 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 23 ways as a sum of consecutive naturals, for example, 24213672 + ... + 24222071.

It is an arithmetic number, because the mean of its divisors is an integer number (7507540320).

Almost surely, 2^203430120600 is an apocalyptic number.

203430120600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203430120600 is an abundant number, since it is smaller than the sum of its proper divisors (517293750120).

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

203430120600 is a wasteful number, since it uses less digits than its factorization.

203430120600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48435769 (or 48435760 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203430120600 its reverse (6021034302), we get a palindrome (209451154902).

The spelling of 203430120600 in words is "two hundred three billion, four hundred thirty million, one hundred twenty thousand, six hundred".