16850023 has 4 divisors (see below), whose sum is σ = 17241928. Its totient is φ = 16458120.

The previous prime is 16850021. The next prime is 16850051. The reversal of 16850023 is 32005861.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16850023 - 2¹ = 16850021 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 16850023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16850021) 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, 195888 + ... + 195973.

It is an arithmetic number, because the mean of its divisors is an integer number (4310482).

Almost surely, 2^16850023 is an apocalyptic number.

16850023 is a deficient number, since it is larger than the sum of its proper divisors (391905).

16850023 is an equidigital number, since it uses as much as digits as its factorization.

16850023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391904.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 16850023 is about 4104.8779519006. The cubic root of 16850023 is about 256.3697811613.

Adding to 16850023 its reverse (32005861), we get a palindrome (48855884).

The spelling of 16850023 in words is "sixteen million, eight hundred fifty thousand, twenty-three".