23170930 has 16 divisors (see below), whose sum is σ = 42280344. Its totient is φ = 9141120.

The previous prime is 23170909. The next prime is 23170967. The reversal of 23170930 is 3907132.

It can be written as a sum of positive squares in 4 ways, for example, as 20857489 + 2313441 = 4567^2 + 1521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23170895 and 23170904.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15141 + ... + 16600.

Almost surely, 2^23170930 is an apocalyptic number.

23170930 is a deficient number, since it is larger than the sum of its proper divisors (19109414).

23170930 is a wasteful number, since it uses less digits than its factorization.

23170930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31821.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 23170930 is about 4813.6192205034. The cubic root of 23170930 is about 285.0894558624.

The spelling of 23170930 in words is "twenty-three million, one hundred seventy thousand, nine hundred thirty".