531323240223 has 8 divisors (see below), whose sum is σ = 718135521328. Its totient is φ = 349363226304.

The previous prime is 531323240171. The next prime is 531323240257. The reversal of 531323240223 is 322042323135.

It is a happy number.

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

It is not a de Polignac number, because 531323240223 - 2¹² = 531323236127 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 (531323040223) 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, 1213066540 + ... + 1213066977.

It is an arithmetic number, because the mean of its divisors is an integer number (89766940166).

Almost surely, 2^531323240223 is an apocalyptic number.

531323240223 is a deficient number, since it is larger than the sum of its proper divisors (186812281105).

531323240223 is a wasteful number, since it uses less digits than its factorization.

531323240223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426133593.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 531323240223 its reverse (322042323135), we get a palindrome (853365563358).

The spelling of 531323240223 in words is "five hundred thirty-one billion, three hundred twenty-three million, two hundred forty thousand, two hundred twenty-three".