23663741 has 2 divisors, whose sum is σ = 23663742. Its totient is φ = 23663740.

The previous prime is 23663729. The next prime is 23663743. The reversal of 23663741 is 14736632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18619225 + 5044516 = 4315^2 + 2246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23663741 is a prime.

Together with 23663743, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1487363 and since 23663741 and 1487363 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 23663698 and 23663707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23663743) 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, 11831870 + 11831871.

It is an arithmetic number, because the mean of its divisors is an integer number (11831871).

Almost surely, 2^23663741 is an apocalyptic number.

It is an amenable number.

23663741 is a deficient number, since it is larger than the sum of its proper divisors (1).

23663741 is an equidigital number, since it uses as much as digits as its factorization.

23663741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 23663741 is about 4864.5391354166. The cubic root of 23663741 is about 287.0964359241.

The spelling of 23663741 in words is "twenty-three million, six hundred sixty-three thousand, seven hundred forty-one".