203301311310023 has 4 divisors (see below), whose sum is σ = 214001380326360. Its totient is φ = 192601242293688.

The previous prime is 203301311310001. The next prime is 203301311310079. The reversal of 203301311310023 is 320013113103302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203301311310023 - 2²⁰ = 203301310261447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203301311310623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5350034508140 + ... + 5350034508177.

It is an arithmetic number, because the mean of its divisors is an integer number (53500345081590).

Almost surely, 2^{203301311310023} is an apocalyptic number.

203301311310023 is a deficient number, since it is larger than the sum of its proper divisors (10700069016337).

203301311310023 is a wasteful number, since it uses less digits than its factorization.

203301311310023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10700069016336.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 203301311310023 its reverse (320013113103302), we get a palindrome (523314424413325).

The spelling of 203301311310023 in words is "two hundred three trillion, three hundred one billion, three hundred eleven million, three hundred ten thousand, twenty-three".