531323355323 has 8 divisors (see below), whose sum is σ = 562585325328. Its totient is φ = 500062235904.

The previous prime is 531323355293. The next prime is 531323355383. The reversal of 531323355323 is 323553323135.

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 531323355323 - 2⁶ = 531323355259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531323355383) 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, 1440815 + ... + 1771607.

It is an arithmetic number, because the mean of its divisors is an integer number (70323165666).

Almost surely, 2^531323355323 is an apocalyptic number.

531323355323 is a deficient number, since it is larger than the sum of its proper divisors (31261970005).

531323355323 is a wasteful number, since it uses less digits than its factorization.

531323355323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425293.

The product of its digits is 364500, while the sum is 38.

Adding to 531323355323 its reverse (323553323135), we get a palindrome (854876678458).

The spelling of 531323355323 in words is "five hundred thirty-one billion, three hundred twenty-three million, three hundred fifty-five thousand, three hundred twenty-three".