531430323 has 8 divisors (see below), whose sum is σ = 745867200. Its totient is φ = 335640168.

The previous prime is 531430309. The next prime is 531430343. The reversal of 531430323 is 323034135.

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 531430323 - 2¹³ = 531422131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531430293 and 531430302.

It is not an unprimeable number, because it can be changed into a prime (531430343) 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, 4661613 + ... + 4661726.

It is an arithmetic number, because the mean of its divisors is an integer number (93233400).

Almost surely, 2^531430323 is an apocalyptic number.

531430323 is a deficient number, since it is larger than the sum of its proper divisors (214436877).

531430323 is a wasteful number, since it uses less digits than its factorization.

531430323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9323361.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 531430323 is about 23052.7725664398. The cubic root of 531430323 is about 809.9945754857.

Adding to 531430323 its reverse (323034135), we get a palindrome (854464458).

The spelling of 531430323 in words is "five hundred thirty-one million, four hundred thirty thousand, three hundred twenty-three".