68423055 has 32 divisors (see below), whose sum is σ = 113799168. Its totient is φ = 35078400.

The previous prime is 68423051. The next prime is 68423063. The reversal of 68423055 is 55032486.

It is not a de Polignac number, because 68423055 - 2² = 68423051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68423051) 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 31 ways as a sum of consecutive naturals, for example, 42882 + ... + 44448.

It is an arithmetic number, because the mean of its divisors is an integer number (3556224).

Almost surely, 2^68423055 is an apocalyptic number.

68423055 is a deficient number, since it is larger than the sum of its proper divisors (45376113).

68423055 is a wasteful number, since it uses less digits than its factorization.

68423055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 68423055 is about 8271.8229550686. The cubic root of 68423055 is about 409.0102140948.

The spelling of 68423055 in words is "sixty-eight million, four hundred twenty-three thousand, fifty-five".