203243041533436 has 6 divisors (see below), whose sum is σ = 355675322683520. Its totient is φ = 101621520766716.

The previous prime is 203243041533421. The next prime is 203243041533461. The reversal of 203243041533436 is 634335140342302.

It is a junction number, because it is equal to n+sod(n) for n = 203243041533392 and 203243041533401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25405380191676 + ... + 25405380191683.

Almost surely, 2^{203243041533436} is an apocalyptic number.

It is an amenable number.

203243041533436 is a deficient number, since it is larger than the sum of its proper divisors (152432281150084).

203243041533436 is a wasteful number, since it uses less digits than its factorization.

203243041533436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50810760383363 (or 50810760383361 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 43.

Adding to 203243041533436 its reverse (634335140342302), we get a palindrome (837578181875738).

The spelling of 203243041533436 in words is "two hundred three trillion, two hundred forty-three billion, forty-one million, five hundred thirty-three thousand, four hundred thirty-six".