123223031331203 has 4 divisors (see below), whose sum is σ = 123223085582520. Its totient is φ = 123222977079888.

The previous prime is 123223031331199. The next prime is 123223031331229. The reversal of 123223031331203 is 302133130322321.

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 123223031331203 - 2² = 123223031331199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123223831331203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23562650 + ... + 28313327.

It is an arithmetic number, because the mean of its divisors is an integer number (30805771395630).

Almost surely, 2^{123223031331203} is an apocalyptic number.

123223031331203 is a deficient number, since it is larger than the sum of its proper divisors (54251317).

123223031331203 is an equidigital number, since it uses as much as digits as its factorization.

123223031331203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54251316.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 123223031331203 its reverse (302133130322321), we get a palindrome (425356161653524).

The spelling of 123223031331203 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, thirty-one million, three hundred thirty-one thousand, two hundred three".