68423385 has 32 divisors (see below), whose sum is σ = 116750592. Its totient is φ = 34099200.

The previous prime is 68423357. The next prime is 68423393. The reversal of 68423385 is 58332486.

It is not a de Polignac number, because 68423385 - 2⁸ = 68423129 is a prime.

It is a super-2 number, since 2×68423385² = 9363519229716450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 37617 + ... + 39393.

It is an arithmetic number, because the mean of its divisors is an integer number (3648456).

Almost surely, 2^68423385 is an apocalyptic number.

It is an amenable number.

68423385 is a deficient number, since it is larger than the sum of its proper divisors (48327207).

68423385 is a wasteful number, since it uses less digits than its factorization.

68423385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953.

The product of its digits is 138240, while the sum is 39.

The square root of 68423385 is about 8271.8429022800. The cubic root of 68423385 is about 409.0108716371.

The spelling of 68423385 in words is "sixty-eight million, four hundred twenty-three thousand, three hundred eighty-five".