23663743 has 2 divisors, whose sum is σ = 23663744. Its totient is φ = 23663742.

The previous prime is 23663741. The next prime is 23663749. The reversal of 23663743 is 34736632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23663743 - 2¹ = 23663741 is a prime.

Together with 23663741, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23663699 and 23663708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23663741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11831871 + 11831872.

It is an arithmetic number, because the mean of its divisors is an integer number (11831872).

Almost surely, 2^23663743 is an apocalyptic number.

23663743 is a deficient number, since it is larger than the sum of its proper divisors (1).

23663743 is an equidigital number, since it uses as much as digits as its factorization.

23663743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 34.

The square root of 23663743 is about 4864.5393409859. The cubic root of 23663743 is about 287.0964440123.

The spelling of 23663743 in words is "twenty-three million, six hundred sixty-three thousand, seven hundred forty-three".