531032023 has 4 divisors (see below), whose sum is σ = 539737528. Its totient is φ = 522326520.

The previous prime is 531031999. The next prime is 531032039. The reversal of 531032023 is 320230135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531032023 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 (531032063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4352661 + ... + 4352782.

It is an arithmetic number, because the mean of its divisors is an integer number (134934382).

Almost surely, 2^531032023 is an apocalyptic number.

531032023 is a deficient number, since it is larger than the sum of its proper divisors (8705505).

531032023 is an equidigital number, since it uses as much as digits as its factorization.

531032023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8705504.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 531032023 is about 23044.1320730463. The cubic root of 531032023 is about 809.7921648346.

Adding to 531032023 its reverse (320230135), we get a palindrome (851262158).

The spelling of 531032023 in words is "five hundred thirty-one million, thirty-two thousand, twenty-three".