10321344243 has 40 divisors (see below), whose sum is σ = 17995878912.
Its totient is φ = 5772408624.
The previous prime is 10321344203. The next prime is 10321344247. The reversal of 10321344243 is 34244312301.
10321344243 is a `hidden beast` number, since 1 + 0 + 3 + 213 + 442 + 4 + 3 = 666.
It is not a de Polignac number, because 10321344243 - 217 = 10321213171 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (10321344247) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 167005 + ... + 220302.
Almost surely, 210321344243 is an apocalyptic number.
10321344243 is a deficient number, since it is larger than the sum of its proper divisors (7674534669).
10321344243 is an equidigital number, since it uses as much as digits as its factorization.
10321344243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 387373 (or 387364 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 10321344243 its reverse (34244312301), we get a palindrome (44565656544).
It can be divided in two parts, 103213 and 44243, that added together give a square (147456 = 3842).
The spelling of 10321344243 in words is "ten billion, three hundred twenty-one million, three hundred forty-four thousand, two hundred forty-three".