203243114540 has 24 divisors (see below), whose sum is σ = 441528146640. Its totient is φ = 78493892288.

The previous prime is 203243114533. The next prime is 203243114549. The reversal of 203243114540 is 45411342302.

203243114540 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 (29).

It is not an unprimeable number, because it can be changed into a prime (203243114549) 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 7 ways as a sum of consecutive naturals, for example, 175209002 + ... + 175210161.

It is an arithmetic number, because the mean of its divisors is an integer number (18397006110).

Almost surely, 2^203243114540 is an apocalyptic number.

203243114540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203243114540 is an abundant number, since it is smaller than the sum of its proper divisors (238285032100).

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

203243114540 is a wasteful number, since it uses less digits than its factorization.

203243114540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350419201 (or 350419199 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 203243114540 its reverse (45411342302), we get a palindrome (248654456842).

The spelling of 203243114540 in words is "two hundred three billion, two hundred forty-three million, one hundred fourteen thousand, five hundred forty".