123211244203 has 4 divisors (see below), whose sum is σ = 123232824288. Its totient is φ = 123189664120.

The previous prime is 123211244173. The next prime is 123211244269. The reversal of 123211244203 is 302442112321.

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 123211244203 - 2⁵ = 123211244171 is a prime.

It is a super-2 number, since 2×123211244203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123211241203) 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, 10781476 + ... + 10792897.

It is an arithmetic number, because the mean of its divisors is an integer number (30808206072).

Almost surely, 2^123211244203 is an apocalyptic number.

123211244203 is a deficient number, since it is larger than the sum of its proper divisors (21580085).

123211244203 is an equidigital number, since it uses as much as digits as its factorization.

123211244203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21580084.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 123211244203 its reverse (302442112321), we get a palindrome (425653356524).

The spelling of 123211244203 in words is "one hundred twenty-three billion, two hundred eleven million, two hundred forty-four thousand, two hundred three".