523052644530 has 32 divisors (see below), whose sum is σ = 1351889913024. Its totient is φ = 128751420096.

The previous prime is 523052644459. The next prime is 523052644531. The reversal of 523052644530 is 35446250325.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (523052644531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670579924 + ... + 670580703.

It is an arithmetic number, because the mean of its divisors is an integer number (42246559782).

Almost surely, 2^523052644530 is an apocalyptic number.

523052644530 is an abundant number, since it is smaller than the sum of its proper divisors (828837268494).

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

523052644530 is a wasteful number, since it uses less digits than its factorization.

523052644530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341160650.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 523052644530 its reverse (35446250325), we get a palindrome (558498894855).

The spelling of 523052644530 in words is "five hundred twenty-three billion, fifty-two million, six hundred forty-four thousand, five hundred thirty".