203313100023 has 48 divisors (see below), whose sum is σ = 353966236416. Its totient is φ = 110929547520.

The previous prime is 203313100009. The next prime is 203313100049. The reversal of 203313100023 is 320001313302.

203313100023 is a `hidden beast` number, since 2 + 0 + 331 + 310 + 0 + 0 + 23 = 666.

It is not a de Polignac number, because 203313100023 - 2²⁰ = 203312051447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203313099969 and 203313100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203313100723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2587465 + ... + 2664882.

It is an arithmetic number, because the mean of its divisors is an integer number (7374296592).

Almost surely, 2^203313100023 is an apocalyptic number.

203313100023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

203313100023 is a deficient number, since it is larger than the sum of its proper divisors (150653136393).

203313100023 is a wasteful number, since it uses less digits than its factorization.

203313100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252404 (or 5252401 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 203313100023 its reverse (320001313302), we get a palindrome (523314413325).

The spelling of 203313100023 in words is "two hundred three billion, three hundred thirteen million, one hundred thousand, twenty-three".