41520623 has 4 divisors (see below), whose sum is σ = 42642840. Its totient is φ = 40398408.

The previous prime is 41520569. The next prime is 41520629. The reversal of 41520623 is 32602514.

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 41520623 - 2¹⁸ = 41258479 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 (41520629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561053 + ... + 561126.

It is an arithmetic number, because the mean of its divisors is an integer number (10660710).

Almost surely, 2^41520623 is an apocalyptic number.

41520623 is a deficient number, since it is larger than the sum of its proper divisors (1122217).

41520623 is a wasteful number, since it uses less digits than its factorization.

41520623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122216.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 41520623 is about 6443.6498197838. The cubic root of 41520623 is about 346.2751189273.

The spelling of 41520623 in words is "forty-one million, five hundred twenty thousand, six hundred twenty-three".