712443231 has 12 divisors (see below), whose sum is σ = 1046527560. Its totient is φ = 466911600.

The previous prime is 712443229. The next prime is 712443241. The reversal of 712443231 is 132344217.

It is a happy number.

It is not a de Polignac number, because 712443231 - 2¹ = 712443229 is a prime.

It is a super-2 number, since 2×712443231² = 1015150714795438722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 712443195 and 712443204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712443241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670320 + ... + 671381.

It is an arithmetic number, because the mean of its divisors is an integer number (87210630).

Almost surely, 2^712443231 is an apocalyptic number.

712443231 is a deficient number, since it is larger than the sum of its proper divisors (334084329).

712443231 is a wasteful number, since it uses less digits than its factorization.

712443231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341766 (or 1341763 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 712443231 is about 26691.6322280973. The cubic root of 712443231 is about 893.1342722012.

Adding to 712443231 its reverse (132344217), we get a palindrome (844787448).

The spelling of 712443231 in words is "seven hundred twelve million, four hundred forty-three thousand, two hundred thirty-one".