203343333240243 has 16 divisors (see below), whose sum is σ = 309857342075136. Its totient is φ = 116195877567840.

The previous prime is 203343333240239. The next prime is 203343333240247. The reversal of 203343333240243 is 342042333343302.

It is an interprime number because it is at equal distance from previous prime (203343333240239) and next prime (203343333240247).

It is not a de Polignac number, because 203343333240243 - 2² = 203343333240239 is a prime.

It is a super-2 number, since 2×203343333240243² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203343333240247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4933293 + ... + 20761118.

It is an arithmetic number, because the mean of its divisors is an integer number (19366083879696).

Almost surely, 2^{203343333240243} is an apocalyptic number.

203343333240243 is a deficient number, since it is larger than the sum of its proper divisors (106514008834893).

203343333240243 is a wasteful number, since it uses less digits than its factorization.

203343333240243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26071274.

The product of its (nonzero) digits is 1119744, while the sum is 39.

Adding to 203343333240243 its reverse (342042333343302), we get a palindrome (545385666583545).

The spelling of 203343333240243 in words is "two hundred three trillion, three hundred forty-three billion, three hundred thirty-three million, two hundred forty thousand, two hundred forty-three".