23105471 has 2 divisors, whose sum is σ = 23105472. Its totient is φ = 23105470.

The previous prime is 23105443. The next prime is 23105477. The reversal of 23105471 is 17450132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23105471 is a prime.

It is a super-3 number, since 3×23105471³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23105477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552735 + 11552736.

It is an arithmetic number, because the mean of its divisors is an integer number (11552736).

Almost surely, 2^23105471 is an apocalyptic number.

23105471 is a deficient number, since it is larger than the sum of its proper divisors (1).

23105471 is an equidigital number, since it uses as much as digits as its factorization.

23105471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 23105471 is about 4806.8150578111. The cubic root of 23105471 is about 284.8207388148.

The spelling of 23105471 in words is "twenty-three million, one hundred five thousand, four hundred seventy-one".