23687371 has 2 divisors, whose sum is σ = 23687372. Its totient is φ = 23687370.

The previous prime is 23687369. The next prime is 23687413. The reversal of 23687371 is 17378632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23687371 - 2¹ = 23687369 is a prime.

It is a super-2 number, since 2×23687371² = 1122183089783282, which contains 22 as substring.

Together with 23687369, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1488763 and since 23687371 and 1488763 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23687371.

It is not a weakly prime, because it can be changed into another prime (23682371) 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, 11843685 + 11843686.

It is an arithmetic number, because the mean of its divisors is an integer number (11843686).

Almost surely, 2^23687371 is an apocalyptic number.

23687371 is a deficient number, since it is larger than the sum of its proper divisors (1).

23687371 is an equidigital number, since it uses as much as digits as its factorization.

23687371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 23687371 is about 4866.9673308951. The cubic root of 23687371 is about 287.1919664926.

The spelling of 23687371 in words is "twenty-three million, six hundred eighty-seven thousand, three hundred seventy-one".