531122423 has 8 divisors (see below), whose sum is σ = 572514768. Its totient is φ = 489806784.

The previous prime is 531122413. The next prime is 531122453. The reversal of 531122423 is 324221135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531122423 - 2⁶ = 531122359 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 (531122413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4361 + ... + 32882.

It is an arithmetic number, because the mean of its divisors is an integer number (71564346).

Almost surely, 2^531122423 is an apocalyptic number.

531122423 is a deficient number, since it is larger than the sum of its proper divisors (41392345).

531122423 is a wasteful number, since it uses less digits than its factorization.

531122423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38353.

The product of its digits is 1440, while the sum is 23.

The square root of 531122423 is about 23046.0934433582. The cubic root of 531122423 is about 809.8381137636.

Adding to 531122423 its reverse (324221135), we get a palindrome (855343558).

The spelling of 531122423 in words is "five hundred thirty-one million, one hundred twenty-two thousand, four hundred twenty-three".