203103323023 has 8 divisors (see below), whose sum is σ = 204446293040. Its totient is φ = 201760977600.

The previous prime is 203103322943. The next prime is 203103323041. The reversal of 203103323023 is 320323301302.

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 203103323023 - 2²¹ = 203101225871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203103322985 and 203103323003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203103323123) 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, 505588 + ... + 813526.

It is an arithmetic number, because the mean of its divisors is an integer number (25555786630).

Almost surely, 2^203103323023 is an apocalyptic number.

203103323023 is a deficient number, since it is larger than the sum of its proper divisors (1342970017).

203103323023 is a wasteful number, since it uses less digits than its factorization.

203103323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312297.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 203103323023 its reverse (320323301302), we get a palindrome (523426624325).

The spelling of 203103323023 in words is "two hundred three billion, one hundred three million, three hundred twenty-three thousand, twenty-three".