41640423 has 8 divisors (see below), whose sum is σ = 60567936. Its totient is φ = 25236600.

The previous prime is 41640407. The next prime is 41640437. The reversal of 41640423 is 32404614.

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

It is not a de Polignac number, because 41640423 - 2⁴ = 41640407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41640393 and 41640402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41640023) 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, 630883 + ... + 630948.

It is an arithmetic number, because the mean of its divisors is an integer number (7570992).

Almost surely, 2^41640423 is an apocalyptic number.

41640423 is a deficient number, since it is larger than the sum of its proper divisors (18927513).

41640423 is a wasteful number, since it uses less digits than its factorization.

41640423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261845.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 41640423 is about 6452.9390978065. The cubic root of 41640423 is about 346.6078365201.

The spelling of 41640423 in words is "forty-one million, six hundred forty thousand, four hundred twenty-three".