16723471 has 2 divisors, whose sum is σ = 16723472. Its totient is φ = 16723470.

The previous prime is 16723463. The next prime is 16723489. The reversal of 16723471 is 17432761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16723471 - 2³ = 16723463 is a prime.

It is a super-3 number, since 3×16723471³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16723171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8361735 + 8361736.

It is an arithmetic number, because the mean of its divisors is an integer number (8361736).

Almost surely, 2^16723471 is an apocalyptic number.

16723471 is a deficient number, since it is larger than the sum of its proper divisors (1).

16723471 is an equidigital number, since it uses as much as digits as its factorization.

16723471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 31.

The square root of 16723471 is about 4089.4340684256. The cubic root of 16723471 is about 255.7263463735.

The spelling of 16723471 in words is "sixteen million, seven hundred twenty-three thousand, four hundred seventy-one".