203152340203 has 4 divisors (see below), whose sum is σ = 215102477880. Its totient is φ = 191202202528.

The previous prime is 203152340201. The next prime is 203152340233. The reversal of 203152340203 is 302043251302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 203152340203 - 2¹ = 203152340201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203152340201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5975068813 + ... + 5975068846.

It is an arithmetic number, because the mean of its divisors is an integer number (53775619470).

Almost surely, 2^203152340203 is an apocalyptic number.

203152340203 is a deficient number, since it is larger than the sum of its proper divisors (11950137677).

203152340203 is a wasteful number, since it uses less digits than its factorization.

203152340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11950137676.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 203152340203 its reverse (302043251302), we get a palindrome (505195591505).

The spelling of 203152340203 in words is "two hundred three billion, one hundred fifty-two million, three hundred forty thousand, two hundred three".