41423403521 has 4 divisors (see below), whose sum is σ = 41572946772. Its totient is φ = 41273860272.

The previous prime is 41423403499. The next prime is 41423403557. The reversal of 41423403521 is 12530432414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2466512896 + 38956890625 = 49664^2 + 197375^2 .

It is a cyclic number.

It is not a de Polignac number, because 41423403521 - 2⁶ = 41423403457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41423403221) 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, 74771210 + ... + 74771763.

It is an arithmetic number, because the mean of its divisors is an integer number (10393236693).

Almost surely, 2^41423403521 is an apocalyptic number.

It is an amenable number.

41423403521 is a deficient number, since it is larger than the sum of its proper divisors (149543251).

41423403521 is a wasteful number, since it uses less digits than its factorization.

41423403521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149543250.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 41423403521 its reverse (12530432414), we get a palindrome (53953835935).

The spelling of 41423403521 in words is "forty-one billion, four hundred twenty-three million, four hundred three thousand, five hundred twenty-one".