16870923 has 10 divisors (see below), whose sum is σ = 25202364. Its totient is φ = 11247228.

The previous prime is 16870901. The next prime is 16870933. The reversal of 16870923 is 32907861.

It is not a de Polignac number, because 16870923 - 2¹² = 16866827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16870933) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 104061 + ... + 104222.

Almost surely, 2^16870923 is an apocalyptic number.

16870923 is a deficient number, since it is larger than the sum of its proper divisors (8331441).

16870923 is an equidigital number, since it uses as much as digits as its factorization.

16870923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208295 (or 208286 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 16870923 is about 4107.4229146753. The cubic root of 16870923 is about 256.4757338283.

The spelling of 16870923 in words is "sixteen million, eight hundred seventy thousand, nine hundred twenty-three".