531354440223 has 12 divisors (see below), whose sum is σ = 767561773680. Its totient is φ = 354213306816.

The previous prime is 531354440207. The next prime is 531354440233. The reversal of 531354440223 is 322044453135.

531354440223 is a `hidden beast` number, since 53 + 1 + 3 + 544 + 40 + 2 + 23 = 666.

It is not a de Polignac number, because 531354440223 - 2⁴ = 531354440207 is a prime.

It is a super-2 number, since 2×531354440223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531354440233) 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 11 ways as a sum of consecutive naturals, for example, 1768563 + ... + 2047076.

It is an arithmetic number, because the mean of its divisors is an integer number (63963481140).

Almost surely, 2^531354440223 is an apocalyptic number.

531354440223 is a deficient number, since it is larger than the sum of its proper divisors (236207333457).

531354440223 is a wasteful number, since it uses less digits than its factorization.

531354440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831118 (or 3831115 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 531354440223 its reverse (322044453135), we get a palindrome (853398893358).

The spelling of 531354440223 in words is "five hundred thirty-one billion, three hundred fifty-four million, four hundred forty thousand, two hundred twenty-three".