23849471 has 2 divisors, whose sum is σ = 23849472. Its totient is φ = 23849470.

The previous prime is 23849443. The next prime is 23849473. The reversal of 23849471 is 17494832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23849471 is a prime.

It is a super-3 number, since 3×23849471³ (a number of 23 digits) contains 333 as substring.

Together with 23849473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23849473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11924735 + 11924736.

It is an arithmetic number, because the mean of its divisors is an integer number (11924736).

Almost surely, 2^23849471 is an apocalyptic number.

23849471 is a deficient number, since it is larger than the sum of its proper divisors (1).

23849471 is an equidigital number, since it uses as much as digits as its factorization.

23849471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 23849471 is about 4883.5920181768. The cubic root of 23849471 is about 287.8455922245.

The spelling of 23849471 in words is "twenty-three million, eight hundred forty-nine thousand, four hundred seventy-one".