203012023323 has 4 divisors (see below), whose sum is σ = 270682697768. Its totient is φ = 135341348880.

The previous prime is 203012023321. The next prime is 203012023351. The reversal of 203012023323 is 323320210302.

203012023323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 203012023323 - 2¹ = 203012023321 is a prime.

It is a super-2 number, since 2×203012023323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203012023323.

It is not an unprimeable number, because it can be changed into a prime (203012023321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33835337218 + ... + 33835337223.

It is an arithmetic number, because the mean of its divisors is an integer number (67670674442).

Almost surely, 2^203012023323 is an apocalyptic number.

203012023323 is a deficient number, since it is larger than the sum of its proper divisors (67670674445).

203012023323 is an equidigital number, since it uses as much as digits as its factorization.

203012023323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67670674444.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203012023323 its reverse (323320210302), we get a palindrome (526332233625).

The spelling of 203012023323 in words is "two hundred three billion, twelve million, twenty-three thousand, three hundred twenty-three".