531123353 has 2 divisors, whose sum is σ = 531123354. Its totient is φ = 531123352.

The previous prime is 531123349. The next prime is 531123361. The reversal of 531123353 is 353321135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316412944 + 214710409 = 17788^2 + 14653^2 .

It is a cyclic number.

It is not a de Polignac number, because 531123353 - 2² = 531123349 is a prime.

It is a super-2 number, since 2×531123353² = 564184032203925218, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (531123053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265561676 + 265561677.

It is an arithmetic number, because the mean of its divisors is an integer number (265561677).

Almost surely, 2^531123353 is an apocalyptic number.

It is an amenable number.

531123353 is a deficient number, since it is larger than the sum of its proper divisors (1).

531123353 is an equidigital number, since it uses as much as digits as its factorization.

531123353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 26.

The square root of 531123353 is about 23046.1136203048. The cubic root of 531123353 is about 809.8385864412.

Adding to 531123353 its reverse (353321135), we get a palindrome (884444488).

It can be divided in two parts, 53112 and 3353, that added together give a palindrome (56465).

The spelling of 531123353 in words is "five hundred thirty-one million, one hundred twenty-three thousand, three hundred fifty-three".