243473203 has 2 divisors, whose sum is σ = 243473204. Its totient is φ = 243473202.

The previous prime is 243473189. The next prime is 243473213. The reversal of 243473203 is 302374342.

243473203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243473203 - 2⁵ = 243473171 is a prime.

It is equal to p_13341394 and since 243473203 and 13341394 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (243473213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121736601 + 121736602.

It is an arithmetic number, because the mean of its divisors is an integer number (121736602).

Almost surely, 2^243473203 is an apocalyptic number.

243473203 is a deficient number, since it is larger than the sum of its proper divisors (1).

243473203 is an equidigital number, since it uses as much as digits as its factorization.

243473203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 243473203 is about 15603.6278794388. The cubic root of 243473203 is about 624.4299467810.

The spelling of 243473203 in words is "two hundred forty-three million, four hundred seventy-three thousand, two hundred three".