85423718 has 8 divisors (see below), whose sum is σ = 128710848. Its totient is φ = 42520104.

The previous prime is 85423703. The next prime is 85423733. The reversal of 85423718 is 81732458.

It is an interprime number because it is at equal distance from previous prime (85423703) and next prime (85423733).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95321 + ... + 96212.

It is an arithmetic number, because the mean of its divisors is an integer number (16088856).

Almost surely, 2^85423718 is an apocalyptic number.

85423718 is a deficient number, since it is larger than the sum of its proper divisors (43287130).

85423718 is a wasteful number, since it uses less digits than its factorization.

85423718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191758.

The product of its digits is 53760, while the sum is 38.

The square root of 85423718 is about 9242.4952258576. The cubic root of 85423718 is about 440.4123510431.

The spelling of 85423718 in words is "eighty-five million, four hundred twenty-three thousand, seven hundred eighteen".