28432825923 has 8 divisors (see below), whose sum is σ = 39133351936. Its totient is φ = 18343758600.

The previous prime is 28432825901. The next prime is 28432825943. The reversal of 28432825923 is 32952823482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28432825923 - 2⁵ = 28432825891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28432825943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152864563 + ... + 152864748.

It is an arithmetic number, because the mean of its divisors is an integer number (4891668992).

Almost surely, 2^28432825923 is an apocalyptic number.

28432825923 is a deficient number, since it is larger than the sum of its proper divisors (10700526013).

28432825923 is a wasteful number, since it uses less digits than its factorization.

28432825923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305729345.

The product of its digits is 1658880, while the sum is 48.

The spelling of 28432825923 in words is "twenty-eight billion, four hundred thirty-two million, eight hundred twenty-five thousand, nine hundred twenty-three".