28343374323 has 12 divisors (see below), whose sum is σ = 41539050504. Its totient is φ = 17177802400.

The previous prime is 28343374309. The next prime is 28343374331. The reversal of 28343374323 is 32347334382.

It is not a de Polignac number, because 28343374323 - 2¹⁰ = 28343373299 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28343374723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39040098 + ... + 39040823.

It is an arithmetic number, because the mean of its divisors is an integer number (3461587542).

Almost surely, 2^28343374323 is an apocalyptic number.

28343374323 is a deficient number, since it is larger than the sum of its proper divisors (13195676181).

28343374323 is a wasteful number, since it uses less digits than its factorization.

28343374323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78080946 (or 78080935 counting only the distinct ones).

The product of its digits is 870912, while the sum is 42.

The spelling of 28343374323 in words is "twenty-eight billion, three hundred forty-three million, three hundred seventy-four thousand, three hundred twenty-three".