203313312023323 has 4 divisors (see below), whose sum is σ = 203313405109248. Its totient is φ = 203313218937400.

The previous prime is 203313312023299. The next prime is 203313312023399. The reversal of 203313312023323 is 323320213313302.

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 203313312023323 - 2⁹ = 203313312022811 is a prime.

It is a super-3 number, since 3×203313312023323³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203313312123323) 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, 43186036 + ... + 47661937.

It is an arithmetic number, because the mean of its divisors is an integer number (50828351277312).

Almost surely, 2^{203313312023323} is an apocalyptic number.

203313312023323 is a deficient number, since it is larger than the sum of its proper divisors (93085925).

203313312023323 is an equidigital number, since it uses as much as digits as its factorization.

203313312023323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93085924.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 203313312023323 its reverse (323320213313302), we get a palindrome (526633525336625).

The spelling of 203313312023323 in words is "two hundred three trillion, three hundred thirteen billion, three hundred twelve million, twenty-three thousand, three hundred twenty-three".