28834434323 has 4 divisors (see below), whose sum is σ = 29229426648. Its totient is φ = 28439442000.

The previous prime is 28834434319. The next prime is 28834434329. The reversal of 28834434323 is 32343443882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32343443882 = 2 ⋅16171721941.

It is a cyclic number.

It is not a de Polignac number, because 28834434323 - 2² = 28834434319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28834434329) 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, 197496053 + ... + 197496198.

It is an arithmetic number, because the mean of its divisors is an integer number (7307356662).

Almost surely, 2^28834434323 is an apocalyptic number.

28834434323 is a deficient number, since it is larger than the sum of its proper divisors (394992325).

28834434323 is an equidigital number, since it uses as much as digits as its factorization.

28834434323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394992324.

The product of its digits is 1327104, while the sum is 44.

The spelling of 28834434323 in words is "twenty-eight billion, eight hundred thirty-four million, four hundred thirty-four thousand, three hundred twenty-three".