123203 has 2 divisors, whose sum is σ = 123204. Its totient is φ = 123202.

The previous prime is 123191. The next prime is 123209. The reversal of 123203 is 302321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123203 - 2¹² = 119107 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (123209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601 + 61602.

It is an arithmetic number, because the mean of its divisors is an integer number (61602).

2¹²³²⁰³ is an apocalyptic number.

123203 is a deficient number, since it is larger than the sum of its proper divisors (1).

123203 is an equidigital number, since it uses as much as digits as its factorization.

123203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 123203 is about 351.0028489913. The cubic root of 123203 is about 49.7592425780.

Adding to 123203 its reverse (302321), we get a palindrome (425524).

The spelling of 123203 in words is "one hundred twenty-three thousand, two hundred three", and thus it is an iban number.