28423175 has 12 divisors (see below), whose sum is σ = 38449176. Its totient is φ = 20671200.

The previous prime is 28423151. The next prime is 28423181. The reversal of 28423175 is 57132482.

It is not a de Polignac number, because 28423175 - 2¹⁶ = 28357639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51404 + ... + 51953.

It is an arithmetic number, because the mean of its divisors is an integer number (3204098).

Almost surely, 2^28423175 is an apocalyptic number.

28423175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28423175 is a deficient number, since it is larger than the sum of its proper divisors (10026001).

28423175 is a wasteful number, since it uses less digits than its factorization.

28423175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103378 (or 103373 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 28423175 is about 5331.3389500200. The cubic root of 28423175 is about 305.1810266377.

The spelling of 28423175 in words is "twenty-eight million, four hundred twenty-three thousand, one hundred seventy-five".