213203 has 2 divisors, whose sum is σ = 213204. Its totient is φ = 213202.

The previous prime is 213193. The next prime is 213209. The reversal of 213203 is 302312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213203 - 2⁶ = 213139 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (213209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106601 + 106602.

It is an arithmetic number, because the mean of its divisors is an integer number (106602).

2²¹³²⁰³ is an apocalyptic number.

213203 is a deficient number, since it is larger than the sum of its proper divisors (1).

213203 is an equidigital number, since it uses as much as digits as its factorization.

213203 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 213203 is about 461.7391038238. The cubic root of 213203 is about 59.7398925499.

Adding to 213203 its reverse (302312), we get a palindrome (515515).

The spelling of 213203 in words is "two hundred thirteen thousand, two hundred three".