203312331123 has 32 divisors (see below), whose sum is σ = 296453993472. Its totient is φ = 122917063200.

The previous prime is 203312331059. The next prime is 203312331127. The reversal of 203312331123 is 321133213302.

It is not a de Polignac number, because 203312331123 - 2⁶ = 203312331059 is a prime.

It is a super-3 number, since 3×203312331123³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 203312331093 and 203312331102.

It is not an unprimeable number, because it can be changed into a prime (203312331127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27729568 + ... + 27736898.

It is an arithmetic number, because the mean of its divisors is an integer number (9264187296).

Almost surely, 2^203312331123 is an apocalyptic number.

203312331123 is a deficient number, since it is larger than the sum of its proper divisors (93141662349).

203312331123 is a wasteful number, since it uses less digits than its factorization.

203312331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9295.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 203312331123 its reverse (321133213302), we get a palindrome (524445544425).

It can be divided in two parts, 203312 and 331123, that added together give a palindrome (534435).

The spelling of 203312331123 in words is "two hundred three billion, three hundred twelve million, three hundred thirty-one thousand, one hundred twenty-three".