531314523423 has 24 divisors (see below), whose sum is σ = 772472838800. Its totient is φ = 351894201984.

The previous prime is 531314523409. The next prime is 531314523433. The reversal of 531314523423 is 324325413135.

531314523423 is a `hidden beast` number, since 53 + 131 + 4 + 52 + 3 + 423 = 666.

It is not a de Polignac number, because 531314523423 - 2¹⁷ = 531314392351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531314523403) 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 23 ways as a sum of consecutive naturals, for example, 9324243 + ... + 9381051.

Almost surely, 2^531314523423 is an apocalyptic number.

531314523423 is a deficient number, since it is larger than the sum of its proper divisors (241158315377).

531314523423 is a wasteful number, since it uses less digits than its factorization.

531314523423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63591 (or 63588 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 531314523423 its reverse (324325413135), we get a palindrome (855639936558).

The spelling of 531314523423 in words is "five hundred thirty-one billion, three hundred fourteen million, five hundred twenty-three thousand, four hundred twenty-three".