28323058843 has 4 divisors (see below), whose sum is σ = 29554496208. Its totient is φ = 27091621480.

The previous prime is 28323058793. The next prime is 28323058867. The reversal of 28323058843 is 34885032382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28323058843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28323058793 and 28323058802.

It is not an unprimeable number, because it can be changed into a prime (28323058943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615718648 + ... + 615718693.

It is an arithmetic number, because the mean of its divisors is an integer number (7388624052).

Almost surely, 2^28323058843 is an apocalyptic number.

28323058843 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28323058843 is a deficient number, since it is larger than the sum of its proper divisors (1231437365).

28323058843 is a wasteful number, since it uses less digits than its factorization.

28323058843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231437364.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 28323058843 in words is "twenty-eight billion, three hundred twenty-three million, fifty-eight thousand, eight hundred forty-three".