41556623 has 4 divisors (see below), whose sum is σ = 42989640. Its totient is φ = 40123608.

The previous prime is 41556583. The next prime is 41556659. The reversal of 41556623 is 32665514.

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 41556623 - 2¹² = 41552527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41556623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41556673) 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, 716465 + ... + 716522.

It is an arithmetic number, because the mean of its divisors is an integer number (10747410).

Almost surely, 2^41556623 is an apocalyptic number.

41556623 is a deficient number, since it is larger than the sum of its proper divisors (1433017).

41556623 is a wasteful number, since it uses less digits than its factorization.

41556623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433016.

The product of its digits is 21600, while the sum is 32.

The square root of 41556623 is about 6446.4426624302. The cubic root of 41556623 is about 346.3751680299.

The spelling of 41556623 in words is "forty-one million, five hundred fifty-six thousand, six hundred twenty-three".