23671 has 2 divisors, whose sum is σ = 23672. Its totient is φ = 23670.

The previous prime is 23669. The next prime is 23677. The reversal of 23671 is 17632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23671 - 2¹ = 23669 is a prime.

Together with 23669, it forms a pair of twin primes.

23671 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11835 + 11836.

It is an arithmetic number, because the mean of its divisors is an integer number (11836).

2²³⁶⁷¹ is an apocalyptic number.

23671 is a deficient number, since it is larger than the sum of its proper divisors (1).

23671 is an equidigital number, since it uses as much as digits as its factorization.

23671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 19.

The square root of 23671 is about 153.8538267317. The cubic root of 23671 is about 28.7125789130.

The spelling of 23671 in words is "twenty-three thousand, six hundred seventy-one".