203403324232133 has 16 divisors (see below), whose sum is σ = 211167884047296. Its totient is φ = 195767742568320.

The previous prime is 203403324232099. The next prime is 203403324232159. The reversal of 203403324232133 is 331232423304302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 203403324232133 - 2¹⁰ = 203403324231109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203403324232093 and 203403324232102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203403324232193) 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, 65519291 + ... + 68553512.

It is an arithmetic number, because the mean of its divisors is an integer number (13197992752956).

Almost surely, 2^{203403324232133} is an apocalyptic number.

It is an amenable number.

203403324232133 is a deficient number, since it is larger than the sum of its proper divisors (7764559815163).

203403324232133 is a wasteful number, since it uses less digits than its factorization.

203403324232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134073284.

The product of its (nonzero) digits is 186624, while the sum is 35.

Adding to 203403324232133 its reverse (331232423304302), we get a palindrome (534635747536435).

The spelling of 203403324232133 in words is "two hundred three trillion, four hundred three billion, three hundred twenty-four million, two hundred thirty-two thousand, one hundred thirty-three".