523441421 has 8 divisors (see below), whose sum is σ = 526860288. Its totient is φ = 520030000.

The previous prime is 523441403. The next prime is 523441423. The reversal of 523441421 is 124144325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 523441421 - 2⁶ = 523441357 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 (523441423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218651 + ... + 221031.

It is an arithmetic number, because the mean of its divisors is an integer number (65857536).

Almost surely, 2^523441421 is an apocalyptic number.

It is an amenable number.

523441421 is a deficient number, since it is larger than the sum of its proper divisors (3418867).

523441421 is a wasteful number, since it uses less digits than its factorization.

523441421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723.

The product of its digits is 3840, while the sum is 26.

The square root of 523441421 is about 22878.8422128394. The cubic root of 523441421 is about 805.9152282326.

Adding to 523441421 its reverse (124144325), we get a palindrome (647585746).

The spelling of 523441421 in words is "five hundred twenty-three million, four hundred forty-one thousand, four hundred twenty-one".