28343570073243 has 48 divisors (see below), whose sum is σ = 38790572146560. Its totient is φ = 18408705138432.

The previous prime is 28343570073241. The next prime is 28343570073307. The reversal of 28343570073243 is 34237007534382.

It is a happy number.

It is not a de Polignac number, because 28343570073243 - 2¹ = 28343570073241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28343570073241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6785626371 + ... + 6785630547.

It is an arithmetic number, because the mean of its divisors is an integer number (808136919720).

Almost surely, 2^{28343570073243} is an apocalyptic number.

28343570073243 is a deficient number, since it is larger than the sum of its proper divisors (10447002073317).

28343570073243 is a wasteful number, since it uses less digits than its factorization.

28343570073243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128 (or 7085 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 51.

The spelling of 28343570073243 in words is "twenty-eight trillion, three hundred forty-three billion, five hundred seventy million, seventy-three thousand, two hundred forty-three".