16471423 has 4 divisors (see below), whose sum is σ = 17338360. Its totient is φ = 15604488.

The previous prime is 16471409. The next prime is 16471457. The reversal of 16471423 is 32417461.

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 16471423 - 2²¹ = 14374271 is a prime.

It is the 4059-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16471391 and 16471400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16471823) by changing a digit.

It is a nontrivial repunit in base 4058.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433440 + ... + 433477.

It is an arithmetic number, because the mean of its divisors is an integer number (4334590).

Almost surely, 2^16471423 is an apocalyptic number.

16471423 is a deficient number, since it is larger than the sum of its proper divisors (866937).

16471423 is an equidigital number, since it uses as much as digits as its factorization.

16471423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866936.

The product of its digits is 4032, while the sum is 28.

The square root of 16471423 is about 4058.5000923987. The cubic root of 16471423 is about 254.4351099226.

Adding to 16471423 its reverse (32417461), we get a palindrome (48888884).

The spelling of 16471423 in words is "sixteen million, four hundred seventy-one thousand, four hundred twenty-three".