23170475 has 6 divisors (see below), whose sum is σ = 28731420. Its totient is φ = 18536360.

The previous prime is 23170471. The next prime is 23170493. The reversal of 23170475 is 57407132.

It is not a de Polignac number, because 23170475 - 2² = 23170471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23170471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463385 + ... + 463434.

It is an arithmetic number, because the mean of its divisors is an integer number (4788570).

Almost surely, 2^23170475 is an apocalyptic number.

23170475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23170475 is a deficient number, since it is larger than the sum of its proper divisors (5560945).

23170475 is an equidigital number, since it uses as much as digits as its factorization.

23170475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926829 (or 926824 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 23170475 is about 4813.5719585356. The cubic root of 23170475 is about 285.0875897806.

The spelling of 23170475 in words is "twenty-three million, one hundred seventy thousand, four hundred seventy-five".