16894123 has 4 divisors (see below), whose sum is σ = 17052120. Its totient is φ = 16736128.

The previous prime is 16894109. The next prime is 16894127. The reversal of 16894123 is 32149861.

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 16894123 - 2¹³ = 16885931 is a prime.

It is a super-2 number, since 2×16894123² = 570822783878258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16894127) 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, 78838 + ... + 79051.

It is an arithmetic number, because the mean of its divisors is an integer number (4263030).

Almost surely, 2^16894123 is an apocalyptic number.

16894123 is a deficient number, since it is larger than the sum of its proper divisors (157997).

16894123 is a wasteful number, since it uses less digits than its factorization.

16894123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157996.

The product of its digits is 10368, while the sum is 34.

The square root of 16894123 is about 4110.2460996879. The cubic root of 16894123 is about 256.5932439298.

The spelling of 16894123 in words is "sixteen million, eight hundred ninety-four thousand, one hundred twenty-three".