203240433321233 has 16 divisors (see below), whose sum is σ = 256598146959360. Its totient is φ = 156364495794000.

The previous prime is 203240433321223. The next prime is 203240433321241. The reversal of 203240433321233 is 332123334042302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 203240433321233 - 2¹² = 203240433317137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203240433321193 and 203240433321202.

It is not an unprimeable number, because it can be changed into a prime (203240433321223) 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, 16705602443 + ... + 16705614608.

It is an arithmetic number, because the mean of its divisors is an integer number (16037384184960).

Almost surely, 2^{203240433321233} is an apocalyptic number.

It is an amenable number.

203240433321233 is a deficient number, since it is larger than the sum of its proper divisors (53357713638127).

203240433321233 is a wasteful number, since it uses less digits than its factorization.

203240433321233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33411217148.

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

Adding to 203240433321233 its reverse (332123334042302), we get a palindrome (535363767363535).

The spelling of 203240433321233 in words is "two hundred three trillion, two hundred forty billion, four hundred thirty-three million, three hundred twenty-one thousand, two hundred thirty-three".