23671447 has 2 divisors, whose sum is σ = 23671448. Its totient is φ = 23671446.

The previous prime is 23671441. The next prime is 23671451. The reversal of 23671447 is 74417632.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23671447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23671441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11835723 + 11835724.

It is an arithmetic number, because the mean of its divisors is an integer number (11835724).

Almost surely, 2^23671447 is an apocalyptic number.

23671447 is a deficient number, since it is larger than the sum of its proper divisors (1).

23671447 is an equidigital number, since it uses as much as digits as its factorization.

23671447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 34.

The square root of 23671447 is about 4865.3311295327. The cubic root of 23671447 is about 287.1275964667.

The spelling of 23671447 in words is "twenty-three million, six hundred seventy-one thousand, four hundred forty-seven".