203312324020243 has 8 divisors (see below), whose sum is σ = 215285334844320. Its totient is φ = 191340809013120.

The previous prime is 203312324020193. The next prime is 203312324020271. The reversal of 203312324020243 is 342020423213302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203312324020243 - 2⁹ = 203312324019731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203312324020543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373674388 + ... + 374218081.

It is an arithmetic number, because the mean of its divisors is an integer number (26910666855540).

Almost surely, 2^{203312324020243} is an apocalyptic number.

203312324020243 is a deficient number, since it is larger than the sum of its proper divisors (11973010824077).

203312324020243 is a wasteful number, since it uses less digits than its factorization.

203312324020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747908477.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 203312324020243 its reverse (342020423213302), we get a palindrome (545332747233545).

The spelling of 203312324020243 in words is "two hundred three trillion, three hundred twelve billion, three hundred twenty-four million, twenty thousand, two hundred forty-three".