523552343531 has 16 divisors (see below), whose sum is σ = 599017843200. Its totient is φ = 448255176768.

The previous prime is 523552343527. The next prime is 523552343537. The reversal of 523552343531 is 135343255325.

It is not a de Polignac number, because 523552343531 - 2² = 523552343527 is a prime.

It is a super-2 number, since 2×523552343531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523552343537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31685690 + ... + 31702208.

It is an arithmetic number, because the mean of its divisors is an integer number (37438615200).

Almost surely, 2^523552343531 is an apocalyptic number.

523552343531 is a deficient number, since it is larger than the sum of its proper divisors (75465499669).

523552343531 is a wasteful number, since it uses less digits than its factorization.

523552343531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21338.

The product of its digits is 810000, while the sum is 41.

Adding to 523552343531 its reverse (135343255325), we get a palindrome (658895598856).

The spelling of 523552343531 in words is "five hundred twenty-three billion, five hundred fifty-two million, three hundred forty-three thousand, five hundred thirty-one".