40585423 has 4 divisors (see below), whose sum is σ = 41074488. Its totient is φ = 40096360.

The previous prime is 40585403. The next prime is 40585427. The reversal of 40585423 is 32458504.

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 40585423 - 2⁹ = 40584911 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 (40585427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244408 + ... + 244573.

It is an arithmetic number, because the mean of its divisors is an integer number (10268622).

Almost surely, 2^40585423 is an apocalyptic number.

40585423 is a deficient number, since it is larger than the sum of its proper divisors (489065).

40585423 is an equidigital number, since it uses as much as digits as its factorization.

40585423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489064.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 40585423 is about 6370.6689601642. The cubic root of 40585423 is about 343.6555474710.

The spelling of 40585423 in words is "forty million, five hundred eighty-five thousand, four hundred twenty-three".