123038203 has 2 divisors, whose sum is σ = 123038204. Its totient is φ = 123038202.

The previous prime is 123038191. The next prime is 123038233. The reversal of 123038203 is 302830321.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (302830321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123038203 is a prime.

It is not a weakly prime, because it can be changed into another prime (123038233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61519101 + 61519102.

It is an arithmetic number, because the mean of its divisors is an integer number (61519102).

Almost surely, 2^123038203 is an apocalyptic number.

123038203 is a deficient number, since it is larger than the sum of its proper divisors (1).

123038203 is an equidigital number, since it uses as much as digits as its factorization.

123038203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 123038203 is about 11092.2586969472. The cubic root of 123038203 is about 497.3704660110.

Adding to 123038203 its reverse (302830321), we get a palindrome (425868524).

The spelling of 123038203 in words is "one hundred twenty-three million, thirty-eight thousand, two hundred three".