28851023 has 8 divisors (see below), whose sum is σ = 30685680. Its totient is φ = 27031680.

The previous prime is 28851013. The next prime is 28851029. The reversal of 28851023 is 32015882.

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

It is a cyclic number.

It is not a de Polignac number, because 28851023 - 2⁶ = 28850959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28851029) 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, 188 + ... + 7598.

It is an arithmetic number, because the mean of its divisors is an integer number (3835710).

Almost surely, 2^28851023 is an apocalyptic number.

28851023 is a deficient number, since it is larger than the sum of its proper divisors (1834657).

28851023 is a wasteful number, since it uses less digits than its factorization.

28851023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7657.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 28851023 is about 5371.3148297228. The cubic root of 28851023 is about 306.7046819340.

The spelling of 28851023 in words is "twenty-eight million, eight hundred fifty-one thousand, twenty-three".