523441420 has 24 divisors (see below), whose sum is σ = 1099854000. Its totient is φ = 209257152.

The previous prime is 523441403. The next prime is 523441423. The reversal of 523441420 is 24144325.

It is a happy number.

It is a super-3 number, since 3×523441420³ (a number of 27 digits) contains 333 as substring.

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, 34131 + ... + 47029.

It is an arithmetic number, because the mean of its divisors is an integer number (45827250).

Almost surely, 2^523441420 is an apocalyptic number.

It is an amenable number.

523441420 is an abundant number, since it is smaller than the sum of its proper divisors (576412580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523441420 is a wasteful number, since it uses less digits than its factorization.

523441420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14937 (or 14935 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 523441420 is about 22878.8421909851. The cubic root of 523441420 is about 805.9152277193.

Adding to 523441420 its reverse (24144325), we get a palindrome (547585745).

The spelling of 523441420 in words is "five hundred twenty-three million, four hundred forty-one thousand, four hundred twenty".