273323243 has 2 divisors, whose sum is σ = 273323244. Its totient is φ = 273323242.

The previous prime is 273323221. The next prime is 273323251. The reversal of 273323243 is 342323372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273323243 is a prime.

It is not a weakly prime, because it can be changed into another prime (273323203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136661621 + 136661622.

It is an arithmetic number, because the mean of its divisors is an integer number (136661622).

Almost surely, 2^273323243 is an apocalyptic number.

273323243 is a deficient number, since it is larger than the sum of its proper divisors (1).

273323243 is an equidigital number, since it uses as much as digits as its factorization.

273323243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 29.

The square root of 273323243 is about 16532.4905262335. The cubic root of 273323243 is about 648.9713457482.

The spelling of 273323243 in words is "two hundred seventy-three million, three hundred twenty-three thousand, two hundred forty-three".