23420671 has 2 divisors, whose sum is σ = 23420672. Its totient is φ = 23420670.

The previous prime is 23420669. The next prime is 23420687. The reversal of 23420671 is 17602432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23420671 - 2¹ = 23420669 is a prime.

Together with 23420669, it forms a pair of twin primes.

It is equal to p_1473028 and since 23420671 and 1473028 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23420641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710335 + 11710336.

It is an arithmetic number, because the mean of its divisors is an integer number (11710336).

Almost surely, 2^23420671 is an apocalyptic number.

23420671 is a deficient number, since it is larger than the sum of its proper divisors (1).

23420671 is an equidigital number, since it uses as much as digits as its factorization.

23420671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 23420671 is about 4839.4907789973. The cubic root of 23420671 is about 286.1100486075.

The spelling of 23420671 in words is "twenty-three million, four hundred twenty thousand, six hundred seventy-one".