28025323 has 4 divisors (see below), whose sum is σ = 29500360. Its totient is φ = 26550288.

The previous prime is 28025311. The next prime is 28025351. The reversal of 28025323 is 32352082.

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

It is a cyclic number.

It is not a de Polignac number, because 28025323 - 2¹³ = 28017131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28025303) 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, 737490 + ... + 737527.

It is an arithmetic number, because the mean of its divisors is an integer number (7375090).

Almost surely, 2^28025323 is an apocalyptic number.

28025323 is a deficient number, since it is larger than the sum of its proper divisors (1475037).

28025323 is a wasteful number, since it uses less digits than its factorization.

28025323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475036.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 28025323 is about 5293.8948799537. The cubic root of 28025323 is about 303.7504119172.

The spelling of 28025323 in words is "twenty-eight million, twenty-five thousand, three hundred twenty-three".