523434530 has 16 divisors (see below), whose sum is σ = 949061880. Its totient is φ = 207844992.

The previous prime is 523434517. The next prime is 523434551. The reversal of 523434530 is 35434325.

It can be written as a sum of positive squares in 4 ways, for example, as 514972249 + 8462281 = 22693^2 + 2909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 523434493 and 523434502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189665 + ... + 192404.

Almost surely, 2^523434530 is an apocalyptic number.

523434530 is a deficient number, since it is larger than the sum of its proper divisors (425627350).

523434530 is a wasteful number, since it uses less digits than its factorization.

523434530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382213.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 523434530 is about 22878.6916146881. The cubic root of 523434530 is about 805.9116916469.

Adding to 523434530 its reverse (35434325), we get a palindrome (558868855).

The spelling of 523434530 in words is "five hundred twenty-three million, four hundred thirty-four thousand, five hundred thirty".