67255823 has 4 divisors (see below), whose sum is σ = 67949280. Its totient is φ = 66562368.

The previous prime is 67255819. The next prime is 67255829. The reversal of 67255823 is 32855276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67255823 - 2² = 67255819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67255829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346583 + ... + 346776.

It is an arithmetic number, because the mean of its divisors is an integer number (16987320).

Almost surely, 2^67255823 is an apocalyptic number.

67255823 is a deficient number, since it is larger than the sum of its proper divisors (693457).

67255823 is an equidigital number, since it uses as much as digits as its factorization.

67255823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693456.

The product of its digits is 100800, while the sum is 38.

The square root of 67255823 is about 8200.9647603194. The cubic root of 67255823 is about 406.6710875479.

The spelling of 67255823 in words is "sixty-seven million, two hundred fifty-five thousand, eight hundred twenty-three".