123331212203 has 4 divisors (see below), whose sum is σ = 123417883488. Its totient is φ = 123244540920.

The previous prime is 123331212197. The next prime is 123331212239. The reversal of 123331212203 is 302212133321.

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 123331212203 - 2⁶ = 123331212139 is a prime.

It is a super-3 number, since 3×123331212203³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123331212803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43333508 + ... + 43336353.

It is an arithmetic number, because the mean of its divisors is an integer number (30854470872).

Almost surely, 2^123331212203 is an apocalyptic number.

123331212203 is a deficient number, since it is larger than the sum of its proper divisors (86671285).

123331212203 is an equidigital number, since it uses as much as digits as its factorization.

123331212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86671284.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123331212203 its reverse (302212133321), we get a palindrome (425543345524).

The spelling of 123331212203 in words is "one hundred twenty-three billion, three hundred thirty-one million, two hundred twelve thousand, two hundred three".