273868123 has 2 divisors, whose sum is σ = 273868124. Its totient is φ = 273868122.

The previous prime is 273868121. The next prime is 273868129. The reversal of 273868123 is 321868372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 273868123 - 2¹ = 273868121 is a prime.

Together with 273868121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (273868121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136934061 + 136934062.

It is an arithmetic number, because the mean of its divisors is an integer number (136934062).

Almost surely, 2^273868123 is an apocalyptic number.

273868123 is a deficient number, since it is larger than the sum of its proper divisors (1).

273868123 is an equidigital number, since it uses as much as digits as its factorization.

273868123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 273868123 is about 16548.9613873500. The cubic root of 273868123 is about 649.4023089594.

The spelling of 273868123 in words is "two hundred seventy-three million, eight hundred sixty-eight thousand, one hundred twenty-three".