203140440144203 has 8 divisors (see below), whose sum is σ = 203182599379968. Its totient is φ = 203098282179624.

The previous prime is 203140440144143. The next prime is 203140440144223. The reversal of 203140440144203 is 302441044041302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203140440144203 - 2⁴⁴ = 185548254099787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203140440144203.

It is not an unprimeable number, because it can be changed into a prime (203140440144223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361757150 + ... + 362318252.

It is an arithmetic number, because the mean of its divisors is an integer number (25397824922496).

Almost surely, 2^{203140440144203} is an apocalyptic number.

203140440144203 is a deficient number, since it is larger than the sum of its proper divisors (42159235765).

203140440144203 is an equidigital number, since it uses as much as digits as its factorization.

203140440144203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635593.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 203140440144203 its reverse (302441044041302), we get a palindrome (505581484185505).

The spelling of 203140440144203 in words is "two hundred three trillion, one hundred forty billion, four hundred forty million, one hundred forty-four thousand, two hundred three".