40655423 has 8 divisors (see below), whose sum is σ = 41610240. Its totient is φ = 39704440.

The previous prime is 40655413. The next prime is 40655437. The reversal of 40655423 is 32455604.

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

It is a cyclic number.

It is not a de Polignac number, because 40655423 - 2²⁴ = 23878207 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 (40655413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38918 + ... + 39948.

It is an arithmetic number, because the mean of its divisors is an integer number (5201280).

Almost surely, 2^40655423 is an apocalyptic number.

40655423 is a deficient number, since it is larger than the sum of its proper divisors (954817).

40655423 is a wasteful number, since it uses less digits than its factorization.

40655423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 40655423 is about 6376.1605218188. The cubic root of 40655423 is about 343.8530081157.

The spelling of 40655423 in words is "forty million, six hundred fifty-five thousand, four hundred twenty-three".