23471687 has 2 divisors, whose sum is σ = 23471688. Its totient is φ = 23471686.

The previous prime is 23471629. The next prime is 23471689. The reversal of 23471687 is 78617432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23471687 - 2¹⁶ = 23406151 is a prime.

Together with 23471689, it forms a pair of twin primes.

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 23471687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23471689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11735843 + 11735844.

It is an arithmetic number, because the mean of its divisors is an integer number (11735844).

Almost surely, 2^23471687 is an apocalyptic number.

23471687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23471687 is an equidigital number, since it uses as much as digits as its factorization.

23471687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 23471687 is about 4844.7587143221. The cubic root of 23471687 is about 286.3176373797.

The spelling of 23471687 in words is "twenty-three million, four hundred seventy-one thousand, six hundred eighty-seven".