531245332323 has 8 divisors (see below), whose sum is σ = 787030122000. Its totient is φ = 354163554864.

The previous prime is 531245332309. The next prime is 531245332379. The reversal of 531245332323 is 323233542135.

531245332323 is a `hidden beast` number, since 5 + 312 + 4 + 5 + 332 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 531245332323 - 2²⁰ = 531244283747 is a prime.

It is a super-2 number, since 2×531245332323² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (531245332223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9837876498 + ... + 9837876551.

It is an arithmetic number, because the mean of its divisors is an integer number (98378765250).

Almost surely, 2^531245332323 is an apocalyptic number.

531245332323 is a deficient number, since it is larger than the sum of its proper divisors (255784789677).

531245332323 is a wasteful number, since it uses less digits than its factorization.

531245332323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19675753058 (or 19675753052 counting only the distinct ones).

The product of its digits is 194400, while the sum is 36.

Adding to 531245332323 its reverse (323233542135), we get a palindrome (854478874458).

The spelling of 531245332323 in words is "five hundred thirty-one billion, two hundred forty-five million, three hundred thirty-two thousand, three hundred twenty-three".