41009656123 has 4 divisors (see below), whose sum is σ = 42332548288. Its totient is φ = 39686763960.

The previous prime is 41009656111. The next prime is 41009656139. The reversal of 41009656123 is 32165690014.

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 41009656123 - 2²¹ = 41007558971 is a prime.

It is a super-2 number, since 2×41009656123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41009656423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661446036 + ... + 661446097.

It is an arithmetic number, because the mean of its divisors is an integer number (10583137072).

Almost surely, 2^41009656123 is an apocalyptic number.

41009656123 is a deficient number, since it is larger than the sum of its proper divisors (1322892165).

41009656123 is a wasteful number, since it uses less digits than its factorization.

41009656123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322892164.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 41009656123 in words is "forty-one billion, nine million, six hundred fifty-six thousand, one hundred twenty-three".