23663723 has 2 divisors, whose sum is σ = 23663724. Its totient is φ = 23663722.

The previous prime is 23663699. The next prime is 23663729. The reversal of 23663723 is 32736632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23663723 - 2⁶ = 23663659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23663723.

It is not a weakly prime, because it can be changed into another prime (23663729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11831861 + 11831862.

It is an arithmetic number, because the mean of its divisors is an integer number (11831862).

Almost surely, 2^23663723 is an apocalyptic number.

23663723 is a deficient number, since it is larger than the sum of its proper divisors (1).

23663723 is an equidigital number, since it uses as much as digits as its factorization.

23663723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 32.

The square root of 23663723 is about 4864.5372852924. The cubic root of 23663723 is about 287.0963631301.

The spelling of 23663723 in words is "twenty-three million, six hundred sixty-three thousand, seven hundred twenty-three".