41805623 has 4 divisors (see below), whose sum is σ = 42047448. Its totient is φ = 41563800.

The previous prime is 41805619. The next prime is 41805653. The reversal of 41805623 is 32650814.

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 41805623 - 2² = 41805619 is a prime.

It is a super-2 number, since 2×41805623² = 3495420228836258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41805613) 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, 120653 + ... + 120998.

It is an arithmetic number, because the mean of its divisors is an integer number (10511862).

Almost surely, 2^41805623 is an apocalyptic number.

41805623 is a deficient number, since it is larger than the sum of its proper divisors (241825).

41805623 is a wasteful number, since it uses less digits than its factorization.

41805623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241824.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 41805623 is about 6465.7267959604. The cubic root of 41805623 is about 347.0655973122.

The spelling of 41805623 in words is "forty-one million, eight hundred five thousand, six hundred twenty-three".