23205671 has 2 divisors, whose sum is σ = 23205672. Its totient is φ = 23205670.

The previous prime is 23205653. The next prime is 23205709. The reversal of 23205671 is 17650232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23205671 - 2⁶ = 23205607 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23205671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23205641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11602835 + 11602836.

It is an arithmetic number, because the mean of its divisors is an integer number (11602836).

Almost surely, 2^23205671 is an apocalyptic number.

23205671 is a deficient number, since it is larger than the sum of its proper divisors (1).

23205671 is an equidigital number, since it uses as much as digits as its factorization.

23205671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 23205671 is about 4817.2264841919. The cubic root of 23205671 is about 285.2318663016.

The spelling of 23205671 in words is "twenty-three million, two hundred five thousand, six hundred seventy-one".