123100200203 has 2 divisors, whose sum is σ = 123100200204. Its totient is φ = 123100200202.

The previous prime is 123100200127. The next prime is 123100200217. The reversal of 123100200203 is 302002001321.

It is a happy number.

It is an a-pointer prime, because the next prime (123100200217) can be obtained adding 123100200203 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123100200203 - 2¹⁴ = 123100183819 is a prime.

It is not a weakly prime, because it can be changed into another prime (123100200253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550100101 + 61550100102.

It is an arithmetic number, because the mean of its divisors is an integer number (61550100102).

Almost surely, 2^123100200203 is an apocalyptic number.

123100200203 is a deficient number, since it is larger than the sum of its proper divisors (1).

123100200203 is an equidigital number, since it uses as much as digits as its factorization.

123100200203 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 14.

Adding to 123100200203 its reverse (302002001321), we get a palindrome (425102201524).

The spelling of 123100200203 in words is "one hundred twenty-three billion, one hundred million, two hundred thousand, two hundred three".