28175365047323 has 4 divisors (see below), whose sum is σ = 30342700820208. Its totient is φ = 26008029274440.

The previous prime is 28175365047293. The next prime is 28175365047341. The reversal of 28175365047323 is 32374056357182.

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 28175365047323 - 2³⁴ = 28158185178139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28175365047343) 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, 1083667886423 + ... + 1083667886448.

It is an arithmetic number, because the mean of its divisors is an integer number (7585675205052).

Almost surely, 2^{28175365047323} is an apocalyptic number.

28175365047323 is a deficient number, since it is larger than the sum of its proper divisors (2167335772885).

28175365047323 is a wasteful number, since it uses less digits than its factorization.

28175365047323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167335772884.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 28175365047323 in words is "twenty-eight trillion, one hundred seventy-five billion, three hundred sixty-five million, forty-seven thousand, three hundred twenty-three".