23170232307187 has 4 divisors (see below), whose sum is σ = 26480265493936. Its totient is φ = 19860199120440.

The previous prime is 23170232307179. The next prime is 23170232307199. The reversal of 23170232307187 is 78170323207132.

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

It is not a de Polignac number, because 23170232307187 - 2³ = 23170232307179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23170232307587) 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, 1655016593364 + ... + 1655016593377.

It is an arithmetic number, because the mean of its divisors is an integer number (6620066373484).

Almost surely, 2^{23170232307187} is an apocalyptic number.

23170232307187 is a deficient number, since it is larger than the sum of its proper divisors (3310033186749).

23170232307187 is an equidigital number, since it uses as much as digits as its factorization.

23170232307187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310033186748.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 23170232307187 in words is "twenty-three trillion, one hundred seventy billion, two hundred thirty-two million, three hundred seven thousand, one hundred eighty-seven".