123200203 has 32 divisors (see below), whose sum is σ = 150796800. Its totient is φ = 98461440.

The previous prime is 123200197. The next prime is 123200219. The reversal of 123200203 is 302002321.

It is a happy number.

It is not a de Polignac number, because 123200203 - 2¹³ = 123192011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123204203) 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 31 ways as a sum of consecutive naturals, for example, 826773 + ... + 826921.

It is an arithmetic number, because the mean of its divisors is an integer number (4712400).

Almost surely, 2^123200203 is an apocalyptic number.

123200203 is a deficient number, since it is larger than the sum of its proper divisors (27596597).

123200203 is a wasteful number, since it uses less digits than its factorization.

123200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 123200203 is about 11099.5586849208. The cubic root of 123200203 is about 497.5886602423.

Adding to 123200203 its reverse (302002321), we get a palindrome (425202524).

The spelling of 123200203 in words is "one hundred twenty-three million, two hundred thousand, two hundred three".