123201110203 has 2 divisors, whose sum is σ = 123201110204. Its totient is φ = 123201110202.

The previous prime is 123201110189. The next prime is 123201110231. The reversal of 123201110203 is 302011102321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123201110203 - 2¹⁷ = 123200979131 is a prime.

It is not a weakly prime, because it can be changed into another prime (123201114203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600555101 + 61600555102.

It is an arithmetic number, because the mean of its divisors is an integer number (61600555102).

Almost surely, 2^123201110203 is an apocalyptic number.

123201110203 is a deficient number, since it is larger than the sum of its proper divisors (1).

123201110203 is an equidigital number, since it uses as much as digits as its factorization.

123201110203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123201110203 its reverse (302011102321), we get a palindrome (425212212524).

The spelling of 123201110203 in words is "one hundred twenty-three billion, two hundred one million, one hundred ten thousand, two hundred three".