531465723 has 12 divisors (see below), whose sum is σ = 770145168. Its totient is φ = 353169360.

The previous prime is 531465709. The next prime is 531465749. The reversal of 531465723 is 327564135.

It is not a de Polignac number, because 531465723 - 2⁶ = 531465659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531465763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92140 + ... + 97737.

It is an arithmetic number, because the mean of its divisors is an integer number (64178764).

Almost surely, 2^531465723 is an apocalyptic number.

531465723 is a deficient number, since it is larger than the sum of its proper divisors (238679445).

531465723 is a wasteful number, since it uses less digits than its factorization.

531465723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190194 (or 190191 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 531465723 is about 23053.5403571772. The cubic root of 531465723 is about 810.0125603905.

The spelling of 531465723 in words is "five hundred thirty-one million, four hundred sixty-five thousand, seven hundred twenty-three".