423520533 has 6 divisors (see below), whose sum is σ = 611751894. Its totient is φ = 282347016.

The previous prime is 423520477. The next prime is 423520549. The reversal of 423520533 is 335025324.

423520533 is a `hidden beast` number, since 423 + 5 + 205 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 376282404 + 47238129 = 19398^2 + 6873^2 .

It is not a de Polignac number, because 423520533 - 2⁸ = 423520277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423520497 and 423520506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423510533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23528910 + ... + 23528927.

It is an arithmetic number, because the mean of its divisors is an integer number (101958649).

Almost surely, 2^423520533 is an apocalyptic number.

It is an amenable number.

423520533 is a deficient number, since it is larger than the sum of its proper divisors (188231361).

423520533 is a wasteful number, since it uses less digits than its factorization.

423520533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47057843 (or 47057840 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 423520533 is about 20579.6145007626. The cubic root of 423520533 is about 750.9738655671.

Adding to 423520533 its reverse (335025324), we get a palindrome (758545857).

The spelling of 423520533 in words is "four hundred twenty-three million, five hundred twenty thousand, five hundred thirty-three".