423524504533 has 12 divisors (see below), whose sum is σ = 485586400068. Its totient is φ = 367948888320.

The previous prime is 423524504437. The next prime is 423524504551. The reversal of 423524504533 is 335405425324.

It can be written as a sum of positive squares in 6 ways, for example, as 130217774449 + 293306730084 = 360857^2 + 541578^2 .

It is not a de Polignac number, because 423524504533 - 2²⁵ = 423490950101 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 (423524504563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73704838 + ... + 73710583.

It is an arithmetic number, because the mean of its divisors is an integer number (40465533339).

Almost surely, 2^423524504533 is an apocalyptic number.

It is an amenable number.

423524504533 is a deficient number, since it is larger than the sum of its proper divisors (62061895535).

423524504533 is a wasteful number, since it uses less digits than its factorization.

423524504533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147415464 (or 147415451 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 423524504533 its reverse (335405425324), we get a palindrome (758929929857).

The spelling of 423524504533 in words is "four hundred twenty-three billion, five hundred twenty-four million, five hundred four thousand, five hundred thirty-three".