16670023 has 8 divisors (see below), whose sum is σ = 16891200. Its totient is φ = 16450560.

The previous prime is 16670021. The next prime is 16670029. The reversal of 16670023 is 32007661.

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

It is a cyclic number.

It is not a de Polignac number, because 16670023 - 2¹ = 16670021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16670023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16670021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36903 + ... + 37351.

It is an arithmetic number, because the mean of its divisors is an integer number (2111400).

Almost surely, 2^16670023 is an apocalyptic number.

16670023 is a deficient number, since it is larger than the sum of its proper divisors (221177).

16670023 is a wasteful number, since it uses less digits than its factorization.

16670023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 16670023 is about 4082.8939491493. The cubic root of 16670023 is about 255.4536229129.

Adding to 16670023 its reverse (32007661), we get a palindrome (48677684).

The spelling of 16670023 in words is "sixteen million, six hundred seventy thousand, twenty-three".