531123234 has 16 divisors (see below), whose sum is σ = 1090956288. Its totient is φ = 172256112.

The previous prime is 531123227. The next prime is 531123259. The reversal of 531123234 is 432321135.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196002 + ... + 1196445.

It is an arithmetic number, because the mean of its divisors is an integer number (68184768).

Almost surely, 2^531123234 is an apocalyptic number.

531123234 is an abundant number, since it is smaller than the sum of its proper divisors (559833054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531123234 is a wasteful number, since it uses less digits than its factorization.

531123234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392489.

The product of its digits is 2160, while the sum is 24.

The square root of 531123234 is about 23046.1110385245. Note that the first 3 decimals coincide. The cubic root of 531123234 is about 809.8385259588.

Adding to 531123234 its reverse (432321135), we get a palindrome (963444369).

The spelling of 531123234 in words is "five hundred thirty-one million, one hundred twenty-three thousand, two hundred thirty-four".