23170345 has 8 divisors (see below), whose sum is σ = 30332160. Its totient is φ = 16851120.

The previous prime is 23170339. The next prime is 23170393. The reversal of 23170345 is 54307132.

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

It is not a de Polignac number, because 23170345 - 2⁵ = 23170313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210585 + ... + 210694.

It is an arithmetic number, because the mean of its divisors is an integer number (3791520).

Almost surely, 2^23170345 is an apocalyptic number.

It is an amenable number.

23170345 is a deficient number, since it is larger than the sum of its proper divisors (7161815).

23170345 is a wasteful number, since it uses less digits than its factorization.

23170345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421295.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 23170345 is about 4813.5584550310. The cubic root of 23170345 is about 285.0870566099.

Adding to 23170345 its reverse (54307132), we get a palindrome (77477477).

The spelling of 23170345 in words is "twenty-three million, one hundred seventy thousand, three hundred forty-five".