1065531323043 has 12 divisors (see below), whose sum is σ = 1679019054648. Its totient is φ = 645776559360.

The previous prime is 1065531323029. The next prime is 1065531323081. The reversal of 1065531323043 is 3403231355601.

1065531323043 is a `hidden beast` number, since 1 + 0 + 6 + 553 + 1 + 32 + 30 + 43 = 666.

It is not a de Polignac number, because 1065531323043 - 2¹³ = 1065531314851 is a prime.

It is a super-2 number, since 2×1065531323043² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065531322989 and 1065531323007.

It is not an unprimeable number, because it can be changed into a prime (1065531323083) 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, 5381471230 + ... + 5381471427.

It is an arithmetic number, because the mean of its divisors is an integer number (139918254554).

Almost surely, 2^{1065531323043} is an apocalyptic number.

1065531323043 is a deficient number, since it is larger than the sum of its proper divisors (613487731605).

1065531323043 is a wasteful number, since it uses less digits than its factorization.

1065531323043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10762942674 (or 10762942671 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 1065531323043 its reverse (3403231355601), we get a palindrome (4468762678644).

The spelling of 1065531323043 in words is "one trillion, sixty-five billion, five hundred thirty-one million, three hundred twenty-three thousand, forty-three".