531355323 has 8 divisors (see below), whose sum is σ = 720088336. Its totient is φ = 348429600.

The previous prime is 531355309. The next prime is 531355337. The reversal of 531355323 is 323553135.

It is an interprime number because it is at equal distance from previous prime (531355309) and next prime (531355337).

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

It is not a de Polignac number, because 531355323 - 2²⁰ = 530306747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531355823) 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, 1451608 + ... + 1451973.

It is an arithmetic number, because the mean of its divisors is an integer number (90011042).

Almost surely, 2^531355323 is an apocalyptic number.

531355323 is a deficient number, since it is larger than the sum of its proper divisors (188733013).

531355323 is a wasteful number, since it uses less digits than its factorization.

531355323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903645.

The product of its digits is 20250, while the sum is 30.

The square root of 531355323 is about 23051.1458066622. The cubic root of 531355323 is about 809.9564692351.

The spelling of 531355323 in words is "five hundred thirty-one million, three hundred fifty-five thousand, three hundred twenty-three".