203323440241023 has 16 divisors (see below), whose sum is σ = 289886885103456. Its totient is φ = 126312368230400.

The previous prime is 203323440240901. The next prime is 203323440241037. The reversal of 203323440241023 is 320142044323302.

It is a cyclic number.

It is not a de Polignac number, because 203323440241023 - 2¹² = 203323440236927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203323440241223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19736302386 + ... + 19736312687.

It is an arithmetic number, because the mean of its divisors is an integer number (18117930318966).

Almost surely, 2^{203323440241023} is an apocalyptic number.

203323440241023 is a deficient number, since it is larger than the sum of its proper divisors (86563444862433).

203323440241023 is a wasteful number, since it uses less digits than its factorization.

203323440241023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39472615194.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 203323440241023 its reverse (320142044323302), we get a palindrome (523465484564325).

The spelling of 203323440241023 in words is "two hundred three trillion, three hundred twenty-three billion, four hundred forty million, two hundred forty-one thousand, twenty-three".